Actually compared to Yangzhou, there are more teaching jobs in Beijing.
I can only tell you about modifications of new yachts. Both existing designs and specially designed ones can be used as a base for the development of new models of yachts. The result are design and technical masterpieces of yachts, such as Italian Riva yachts https://rivayachtssale.com/ which are available for purchase!
So many questions and so little action. Does anyone want to go to a warm country this summer on your own yacht? I have the opportunity, I want to buy one of the Azimut brand yachts https://azimutyachtssale.com/ anyone interested, you can see what models are. As I buy will invite friends.