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Bai Zhiwang lived downstairs in Qinzhou, and within ten miles outside was the Gobi Desert they had just seen, and just now he was told "don't let go" and his heart was in a state of turmoil, so he couldn't sleep fully tonight.

After tossing and turning until dawn, after Qin Zhou got up, he rubbed his sore and swollen temples, but his heart was still empty, unable to grasp or fill it up.

Around 07:30 is the peak time for using the elevator. Qin Zhou went out with sleepy eyes. His hair was damaged by sleep and he could only cover it with a hat. It was convenient for him to wear a T-shirt and go out.

When he got out of the elevator and was about to have breakfast, a blue shadow suddenly flashed in front of his eyes, and he suddenly became energetic.

Don't blame him, the main reason is that Bai Zhiwang is too eye-catching, with flat shoulders and long legs. The long work boots outline the perfect line of the legs, and the forearm muscles are obvious and smooth.

Qin Zhou frowned, why did this person think about himself just after talking, and then open his eyes like a peacock to others the next day?

Although it was only covered by half of the sleeves of the overalls, it did not prevent Qin Zhou from suing him.

Team leader Bai was serious and professional when he arranged the work. The young team members looked at him with light in their eyes, and their admiration was beyond words.

Prudish.Qin Zhou scolded softly in his heart, and he didn't know what was going on in his head, so Qin Zhou suddenly walked in the opposite direction holding his meal card.

Waiting for the elevator, went upstairs, picked out the wardrobe for 2 minutes, chose a top with a sense of design, put it on, put on the glasses casually, and scratched the hair slightly curled.The appearance in the mirror can be said to be so tender, even if he said that he is a college student who just graduated from the Academy of Fine Arts, people might believe him.

As for who he was competing with when he arranged it like this, Qin Zhou naturally refused to admit it.

Not far to the west is a temporarily rented office building with simple decoration but complete research facilities.Rows of computers are placed in the large bay, and notifications are scrolled on the large screen when entering the door. Many instruments that Qin Zhou cannot recognize are in the computer room or warehouse.

Qin Zhou and Meng Xuan are in the same office, a temporary workspace.

At 08:30, all staff arrived on time.

Meng Xuan said "tsk": "Mr. Qin, why is he dressed so handsomely today? Are you going on a date?"

"Why are you dressed up? Don't talk nonsense." Qin Zhou pulled back his chair and denied it.

Meng Xuan snickered twice, then turned back to continue working.

The protection of cultural heritage has never been done alone. There are about [-] people in this project team, with various majors.The survey team needs to debug various equipment to save images and other data. The chemical laboratory is responsible for sampling pigments and then calculating the composition. Those who understand computers need to study algorithms and build a digital restoration system.

Of course, each person is not only responsible for one task. Those with interdisciplinary backgrounds—such as Qin Zhou and Meng Xuan—need to take on multiple roles. In addition to doing line drawing and complementary colors as learning samples for computers, they also need to do cultural research.

At present, everyone is focusing on Cave B-04, which is full of rare multi-layer murals, but the surface layer is particularly damaged, which is a very typical research case. [1]

The layer on the mural is more recent, and it was written in the late Tang Dynasty.After the end of the Qing Dynasty, thieves and speculators stretched their claws into the cave one after another, causing many surface murals to be artificially peeled off. This is one of them.Now it has undergone salvage restoration and has been completely removed, but the erosion damage is almost irreversible, and the image is very shocking. [2]

Meng Xuan got angry when he saw it: "Who killed a thousand swords..."

Regardless of whether it is physical restoration or digital restoration, the original state of the mural must first be clarified, so Qin Zhou asked Meng Xuan to go to the paint analysis report first, draw the disease analysis map by himself, and determine the damaged area before setting the tone for the restorative plan.

Drawing should be clear and clear, and the shape should be accurate and complete.Spread scatter paper on the big table, then cover with a layer of rice paper, dip the tip of the pen in ink to trace the outline, and then mark the location of the disease with different color spots.

The more he painted Qin Zhou, the more he felt that something was wrong. There were several slender black spots on the face of the Buddha statue, which didn't look like scratches, but shadows left somewhere.

Just as I was about to discuss it with Meng Xuan, the other side spoke first: "Teacher Qin, why do I feel something is wrong?"

Qin Zhou coincided with her thoughts: "I just wanted to talk to you." He pointed to the black lines, "The edges here are soft and divergent, not like scratches or scratches, but like light shining on the side. The shadow left by the place where the armor was raised."

"That can't be done. If there are shadows interfering, then the lines may be inaccurate." Meng Xuan frowned, and anxiously handed out the materials in his hand, "And look at these two pieces of clothes, I think their colors are quite strange Yes. The stability of this mineral pigment is particularly good, even after 2000 years, there will not be such a large color difference."

Qin Zhou rubbed his temples before continuing to identify. Now it's not as easy to cry as long as you stare at the screen for a long time, compared to when you were young.

"It stands to reason that all the data has been color-calibrated, so there shouldn't be such a problem." Qin Zhou looked at the drawings on the wall, then looked at the computer, and frowned, "Well, I'll go find Bo..."

Halfway through the conversation, Qin Zhou suddenly felt that something was wrong, and who was the one who got used to the problem that he was the first to find Bai Zhiwang when he encountered a problem.

He gritted his teeth and changed his words: "You should go and ask Team Leader Bai what's going on."

The old man is at the opposite door, why should she go to see her?Meng Xuan confirmed curiously: "Me?"

Qin Zhou is still brooding about his non-reporting. Although Bai Zhiwang told him the truth yesterday, who knows if it was drunk talk.

Whether the colleagues in the scientific research institute are aware of the relationship between the two of them is still unknown. Qin Zhou was afraid of embarrassing the other party, so he didn't dare to show up: "Well, you go."

Meng Xuan scratched his head, "...Okay."

The little girl was quick to do things, and it didn't take long to pack the problem data into categories, and ran to Bai Zhiwang's office with the storage disk and knocked on the door.

Qin Zhou was always outside the door from the corner of his eye, and Bai Zhiwang opened the office door and glanced at him, scaring him away quickly.

But he clearly had brief eye contact with Bai Zhiwang, and in just half a second, his heartbeat became chaotic, and he could only tilt his head to look at the wall with a guilty conscience.

A quarter of an hour later, the sound of footsteps approaching from far to near, Meng Xuan ran back and told the truth: "Mr. Du, who is in charge of this cave, asked for leave yesterday. Mr. Bai said that he would take the survey team into the cave again after finishing his work. If there is a problem, it must be updated in time.”

Qin Zhou's heart was pounding at the sight just now, and his face was calm, pretending that there was no episode: "Okay, then let's finish drawing the picture first, and then look through the literature of the same generation to find some references."

Meng Xuan is a typical impatient person, and she has already called out the information about the teacher's voice decline.

Qin Zhou was very satisfied with this student, and he muttered: "Oh, the date is the late Tang Dynasty? That's rare. When looking for it, be careful, and focus on the costumes of the master in the Amitabha Sutra. The color blocks that haven't faded will be fine. For reference. By the way, you can ask Mr. Bo if he has a color library."

Most of the murals in this cave are monochromatic or solid colors, which can be traced in a large number of records, so Bai Zhiwang extracted common colors as a knowledge base during his advanced studies.

Just as Meng Xuan was about to sit down, he stood up in a daze—just now he could say that transferring data was troublesome and he needed to run errands, so why pass it on by himself when it’s just a one-sentence thing?

Meng Xuan hurt him: "Don't you two usually use WeChat?"

"..." Qin Zhou was awkward, "We are all flying pigeons to pass on letters."

Meng Xuan stuck out his tongue in disbelief, and was about to leave when Qin Zhou took out another box of Band-Aids and handed it out, "There's also this, give it to him by the way."

The Band-Aid is very cute, with little red hearts painted on the thin transparent sticky surface.

Meng Xuan looked annoyed and amused: "It's true that you're telling lies, but it's true that you're giving something?"

"So many words, hurry up." Qin Zhou urged her.

Meng Xuan walked away giggling, and one minute later, she stood in front of Qin Zhou's station and sent back a word: "Yes."

The tone of voice is very similar, and even the small movements of pulling the neck and gritting the teeth are imitated in place.

Qin Zhou was speechless, the bridge of his nose was pinched red, "...just 'yes'? I should ask where."

Immortals fight and mortals suffer, Meng Xuan can only turn back, muttering small words as he left, and sending back the same words as Bai Zhiwang: "Public folder, the last four digits of the password."

Only then did Qin Zhou stop torturing others, give a jujube to coax the students well, and stop working.

Meng Xiao ran errands and could finally return to her desk and sit down. Like Bai Zhiwang, she loved using the red-axis keyboard, and every time she typed, she clicked with a crackle.

The sound of the keyboard sounded for a while and then suddenly stopped.

Meng Xuan turned around and called out, "Teacher Qin."

The slightly curly bangs hang down, Qin Zhou is still bending over to copy the painting, without raising his head, he said "um".

Meng Xuan hesitated and asked, "Are you and Teacher Bai okay?"

Qin Zhou's hand paused, and he quickly put down his pen, nervous but calm: "What do you mean?"

Meng Xuan smiled awkwardly, "No, I think you are avoiding him on purpose."

"Did he just say something?" Qin Zhou rang the alarm.

Meng Xuan said truthfully: "It's nothing, I just don't seem very happy to see that you didn't go."

Qin Zhou put down his pen, strolled to the table to pick up his teacup, and took a guilty sip, "Then what?"

"Then I put the Band-Aid you gave him on the table, and he immediately calmed down." Meng Xuan said very honestly, sourly, "He still put it on in front of my face! What's there to show off, that bloody Daozi It’s all scabbed over, what’s the point of sticking it..."

Qin Zhou was rocked by her description.Teacher Bai is really coquettish and coquettish as always.

As soon as the corner of his mouth raised a little, Qin Zhou immediately became serious again. After all, this is not the attitude he should have towards his ex.

Meng Xuan saw that his expression changed like drinking water on the lake, so he couldn't help being more curious, and blinked his big eyes: "Did you quarrel with him?"

"It doesn't count." Qin Zhou slowly put away his smile, his tone was very relaxed, and no one knew whether the words were light or not, "We have separated a long time ago."

Just as Meng Xuan was about to drink water, he raised the cup halfway, and paused in the air for a long time.

The author says:

[1] Except for the place names, they are all empty, including this cave, and generally do not use this numbering method

[2] There are references in the professional part

Documentaries: "Dunhuang Mogao Grottoes - A Panorama of Beauty", "Dunhuang", "National Treasure", etc.

Research materials: "Digital Protection and Restoration of Ancient Dunhuang Murals", "Underestimated Dunhuang Digital Restoration" and Tsinghua University Dunhuang Cultural Heritage Digital Preservation Project, etc.