BEIJING — The Lunar New Year is coming, and China is on the move. Hundreds of millions of people are traveling to their hometowns or making overseas trips ahead of the Feb. 17 holiday, known in China as Spring Festival, in what is considered the world’s largest annual human migration. They will make a record 9.5 billion trips during the 40-day period around the holiday, up from 9.02 billion last year, according to the National Development and Reform Commission. That includes 540 million trips