Chen Aili wondered in her heart, why didn't she bless me from being caught by George? But she didn't say it. Chen Youyou seemed to know her doubts, and continued: "There is a very magical ritual to wear it, your father invited a local living Buddha to recite a sutra and the text symbols engraved on it, which are probably mantras, and then solemnly hung them around my neck. I was 8 months pregnant at the time, and the Dzi was said to keep our mother and son safe. But I was very young at the time, and I didn't believe in these feudal superstitions at all, and I was embarrassed to refuse the kindness of others when I wore them, so I didn't remember those spells. But in the years that followed, a lot of incredible things happened, and I gradually realized that it was really my lucky pearl. ”

Chen Aili was surprised, it turned out that the beads around her neck for decades turned out to be real guys, and she always thought it was an ordinary ornament. But now that I've lost it, isn't it going to bless others? Chen Aili was about to ask if it only blesses the person who wears it? Chen Youyou comforted Chen Aili and said: "The 'Dharma Eye Dzi' must be blessed by a virtuous and profound master, and it must be able to recite the mantra on it to be effective, and it is useless for ordinary people to snatch it." It's just that this is the only memento your dad left me, and I panic when I can't see it. ”

This kind of little woman-style words came out of the mouth of the strong and wise Chen Youyou, which really startled Chen Aili. She wondered, how could George and Elizabeth know such a secret and precious thing? How did it get into my dad's hands? She still wanted to get to the bottom of it, Chen Youyou lay down on the sofa and closed her eyes, and said slowly: "It's good that you can come back safely from Europe this time, maybe the 'Dharma Eye Dzi' is still blessing you, otherwise you can escape from the tiger's mouth so smoothly?" I vaguely feel that its fate with us will not end, and although it is nowhere to be found now, it will remain in my heart forever. ”

44 Embark on a new journey

The spring of 2012 in Beijing came belatedly, but once it came, the veil of warmth was lifted, and the sandstorm followed, and the sky was dusk and the temperature rose sharply.

As soon as Li Guanghan got to work in the morning, Director Zhang called him to his office and told him to join a scientific research team formed by the institute and Huajing University to complete the relevant scientific research projects at the National Dark Matter Underground Laboratory built in the upper valley of the Yalong River in Sichuan. Li Guanghan was very excited to hear this, he heard last year that this dark matter laboratory, which has just been completed and put into use, is built in a 2,400-meter-deep tunnel of a hydroelectric power station, which is the deepest underground laboratory in the world. Its rock layers can shield most of the cosmic rays, and it has a world-class experimental environment. Lee Guanghan's experiments at the Large Hadron Collider in Europe are indirect detections, using accelerators to accelerate Standard Model particles to high energies and then collide, and to invert the properties of dark matter by measuring the energy lost from the collision. This underground laboratory in China is for direct detection, that is, to measure the energy caused by the direct collision of dark matter particles with ordinary matter. It's as if a dark room has been built, waiting to catch the faintest light.

Lee Kwang Han has always been frustrated by the early end of his studies in Europe, and now he is happy that there is a new opportunity to come. Director Zhang said to Li Guanghan seriously: "Sending you to Sichuan at this time not only requires your scientific research ability, but more importantly, a series of things that have happened in foreign and domestic countries have attracted the attention of relevant departments. At the moment, we don't know exactly what the opponent's purpose is, but if you're in Beijing, all kinds of people will pop up from time to time, and it's hard to guard against it. It's better to go to the national laboratory in Sichuan for a while, which is relatively closed and simple. We'll wait until we investigate clearly and the situation is clear. ”

Li Guanghan returned home and conveyed the news to Roujia, who also felt that since he returned to China, he had not stopped, and it was better to go out and avoid it, otherwise there would always be something wrong in some inconspicuous or unexpected places. Roujia silently began to clean up his bags. She specially took out two knee pads and stuffed them into the box, and said: "In the cave in Sichuan, it is cold and damp, and you will get arthritis if you stay for a long time, so you should bring it." Then he put a large bag of green tea in the box.

Li Guanghan was thinking about informing Chen Aili when her call came in. She already knew the above arrangement, and they agreed to meet at the commissary next to the Nanluoguxiang subway station at dusk, and then go to the nearby alley. Li Guanghan was puzzled by this proposal and said, why go to a place with such a large flow of people, it is better to find a café to sit and chat for a while. He didn't know that Chen Aili actually wanted to take this opportunity to see if anyone was following Li Guanghan, she was very familiar with the alleys in that area, and she would know if anyone was following her after a few laps, and she could also find out the details of the stalker, and she could quickly get rid of the other party when she had the opportunity.

After listening to the explanation, Li Guanghan felt funny in his heart, this is in the motherland Beijing, our own land, not abroad, and we have to be sneaky.

At dusk, some shops have already hung out red lanterns. Chen Aili wore a low, narrow-brimmed top hat, a silk scarf covering her face to protect against wind and sand, and a khaki tunic trench coat standing on the side of the road. She waved at Li Guanghan from afar, and the two of them merged into the bustling crowd one after the other. Li Guanghan was very curious to look back from time to time to see if anyone was following, Chen Aili pulled him over, took his arm and said, "Don't look at it, you can't see it like this, just slip around a few times and you'll know." ”

Chen Aili pulled Li Guanghan from the main road in the middle of Nanluoguxiang to Dongmian Hutong, and then to Qinlao Hutong and Juer Hutong. When passing by a big red door in the alley, Chen Aili deliberately slowed down, pointed to a pair of doors in front of the big red door and asked, "Can you see the previous identity of the owner?" Li Guanghan shook his head and said, "How can I, a child who grew up in the mountains of Xiangxi, be as well-informed as the child you grew up in the capital?" ”

Chen Aili smiled, turned half of her body, leaned over and touched the lion lying on the door pier, glanced behind her inadvertently, and then said: "This family was precious in the past, you see this round door pier, the middle is still bulging, and the lion lying on it has a head, a body and a tail." This must be the military general of the Aixin Jueluo family, a royal family with eight classics. Li Guanghan saw that the big red door was halfway open, so he leaned inside, and he also wanted to pretend to know a little bit and turned back to Chen Aili and said, "You see that there is still a shadow wall carved with dragons and phoenixes here." Chen Aili smiled and said: "Old Beijing is called 'Yingbei', read Bei, a voice." ”

The two continued to walk around the alley, and before they knew it, it was already dark. Gradually, I walked to the alley where the local residents lived, and it was almost impossible for tourists to see it. Chen Aili suddenly pulled Li Guanghan into a black corridor where she couldn't see her fingers, and when she walked out, she actually led to Gulou East Street. Chen Aili beckoned, a taxi drove over, they immediately got into the car, Chen Aili said okay, now find a café.