The hard seats of ying zuo were no longer hard, upholstered now with blue covers.
BBC: Changing China seen from the 'hard seats' of a train
Zuo hopes to compile the data from his research to form a drug use map, saying it could provide insights about regional cocaine use.
CNN: 90 percent of U.S. bills carry traces of cocaine
应用推荐
模块上移
模块下移
不移动