In the summer breeze, several ancient trees in the courtyard swayed gently in the wind, the lush branches and leaves made a "rustling" sound, and the fresh air blew from the window.

Ye Chen likes to read books on the mysteries of the universe, brewing a cup of light green tea, and he began to continue to read Mr. Hawking's "A Brief History of Time" in his hand.

"The end of time – black holes. Stars shrink due to gravity, forming a "black hole". The gravitational pull on the surface of the black hole is strong, and time ends there. ”

Regarding the questions in "A Brief History of Time", Ye Chen naturally wouldn't believe it all. What he is curious about is only why the wormhole theory proposed by Mr. Hawking is recognized by most people, and it seems that the veil of mystery in the universe is falling off little by little.

Could there really be a parallel universe or a four-dimensional space? After a short period of contemplation, he continued to read.

A Brief History of Time is a treasure trove of cosmic concepts, and although the whole book cannot be trusted, it can be said to be extremely valuable overall.

"The universe has its own historical beginnings, it was born about 15 billion years ago, when the universe existed as a "point", did not occupy space, and had no concept of time. Later, there was a big bang at this "point", from which time and space began, and matter gradually formed. The universe was extremely hot at the beginning, and as time progressed, its space became larger and lower, and the energy contained in it continued to react with complex reactions with matter, eventually forming galaxies. The space of the universe continues to expand and expand until today. ”

How to understand the "point" mentioned by Hawking many times?

Before you know it, the red sun is gradually falling in the west, and the sunset is sprinkled, dyeing the lawn and plane trees outside the window with a faint red halo.

Ye Chen put down the "A Brief History of Time" in his hand, and prepared to go to the capital airport to wait for the flight on time, and will fly to Kuala Lumpur with several classmates to attend the wedding of his high school classmates tonight. Because the bride will be picked up tomorrow morning, Zhang Feng and the others have to go over tonight.

It's been three years since I left the university campus, and looking back, the simple and pure student days are gone.

Three years is not a long time, but it is not a short time, and the former classmates have long been separated, and each of them has their own different life trajectory.

A pleasant ringtone of his mobile phone interrupted his thoughts, it was a call from his classmate Lin Feng, a very shrewd and capable boy, who went to a neighboring city after graduation, and was promoted to department manager a year ago by virtue of his extraordinary means.

As soon as he pressed the answer button, he heard the teasing, and he showed excellent communication skills in college, and it was easy to get close to people.

"Lin Feng, are you at the airport?" Ye Chen said.

A tight voice came from there, and said, "I'm already on the road, but the weather is too strange today, the color of the sky is a little abnormal, Ye Chen, take a look at it yourself." ”

When Ye Chen heard Lin Feng say this, he hurriedly looked at the sky outside the window. There seemed to be a dark red crack in the sky, and it didn't look like a burning cloud. It didn't last long before it disappeared.

"This is a normal natural phenomenon, you wait for me at the airport first, I'll take a taxi over immediately" After speaking, Ye Chen hung up the phone and prepared to go out. In the scene that just happened, Zhang Feng was actually not at peace anymore.

At the airport, Ye Chen found Lin Feng. Lin Feng had handsome little short hair and a burly figure, and he only came back from the army. The two hadn't seen each other for a long time, and they were also the best classmates in the class at that time. So as soon as the two met, they went crazy.

"Lin Feng, it's okay. Nansheng should be almost there, I made an appointment with her to wait for her at Exit 2, and we will pick her up," Ye Chen said after remembering this. Lin Feng understood as soon as he heard that Nan Sheng was Ye Chen's first love, so the two immediately went to the place where they met.

There were still ten minutes before the time of the meeting, and Ye Chen went to the side of the road to wait for Nansheng.

The entire airport is bathed in the afterglow of the setting sun, many of the buildings are covered in a pale golden glow, and the roads are filled with cars and people.

Seven or eight minutes later, a Porsche pulled up on the side of the road, revealing a beautiful and delicate face, and Nan Sheng opened the door and walked over.

Ye Chen greeted him and said with a smile: "There is also a special car to pick you up." ”

"Don't tease me, I don't have a chauffeur, that's our classmate Wang Mian. ”

Although they have been in contact from time to time in the three years since graduation, they have only met once two years ago, and Nansheng is as young and beautiful as ever, especially the sweet and lovely smile, which makes people intoxicated. Wearing a tight casual jacket from a trendy brand, the slender and feminine body is more curvy and graceful.

"I haven't seen you for more than two years, are you okay?" Nan Sheng said, her slender hands were as bright as jade, reflecting the green waves, her black hair was as transparent as transparent, she had a white and pure face, soft and fine skin. The eyebrows are slender and picturesque, and the eyes are sparkling like stars. There is a small mouth under the bridge of the small nose, the lips are thin, the corners of the mouth are slightly curved upward, with a little sad smile. The whole face is delicate and beautiful, so refined, there is no trace of fireworks in the world. She wore a white shirt with silk flowers and a white pleated skirt. Dignified and noble, quiet and elegant. It is so pure, tender, like a budding hibiscus, and it is not clean.

"It's fine. Ye Chen smiled and teased: "Nansheng, you are so naturally beautiful that you don't go to the showbiz to develop, I'm really sorry for yourself." ”

"How is that possible?" Nan Sheng smiled very movingly, Danfeng's eyes squinted, the light waves flowed, and the red lips were also very sexy, very charming.

At this time, the window of the Porsche parked on the side of the road was lowered, and a familiar face was revealed in the driving position, which was none other than Wang Mian, a former classmate. This time he will also go to the wedding.

Like Ye Chen, he stayed in the city after graduation. Thanks to the care of a relative with some background, he opened a company that is not large-scale, and he is considered a person who has achieved something among his classmates.

Although they were in the same city, he had almost no contact with Ye Chen, because there had been a festival, and the two smiled awkwardly.

Wang Mian didn't get out of the car, smiled faintly, and said, "I haven't seen you for a long time." ”

"yes. We'll come out and get together sometime. Seeing that the other party hadn't even gotten out of the car, Ye Chen only said hello flatly.

At this moment, the crack in the sky suddenly appeared again. Ye Chen always felt a little uneasy, but he felt that he was thinking too much, and Nan Sheng and the others also saw this sky vision, and they took their mobile phones to take pictures and send them to Moments. Later, under Ye Chen's urging, a few people began to check in.

Soon several people checked in and sat in their respective seats. Ye Chen sat next to Nan Sheng, which was arranged by Lin Feng, and at this time Lin Feng gave him a lewd look. Ye Chen also smiled helplessly.

Ye Chen is 1.8 meters tall, burly and powerful, with fair skin. It's not particularly handsome, but it gives it an intimate feel. For many years, Nan Sheng also has a good impression of him.

After the crew is ready, the aircraft begins its course. More than two hours after the plane had flown for more than two hours, an announcement was made on the plane: "It is now 20,000 meters above the South China Sea, and it will reach Kuala Lumpur International Airport in half an hour." ”