For a 16-metre long yacht, these safety requirements are not necessary.

The Shanghai government works faster than other cities, and we expect the whole country will have unified regulations in the future.

Chinese customers are quite picky about the interior design of the yachts. They want wooden floors, the best leather sofas, classically designed furniture and air-conditioners in every room.

All of those 10 species of birds showing symptoms live at the foot of the hill and they are very sensitive to the vibration.

If it proves the subway vibration is the generator, we will move those birds far away from the subway line. It might cost a lot of money since all the devices here are specially designed in accordance with the habits of those birds.

There may be times when we have to rescue pilots and the less said the better for the safety of the pilots.