Empty middle seat? Depends on which country you are flying in

SYDNEY/BEIJING/HELSINKI (Reuters) - In Thailand, you cannot have food or water in flight and must wear a mask. In Malaysia and Indonesia, the plane needs to be half-empty. In the United States and Europe, it's not mandatory for airlines to leave the middle seat open.Measures to stem the spread of coronavirus have changed how people travel, as Beijing resident Feng Xueli, 26, found when she took a domestic flight this month. The aircraft was full - allowed under the Chinese rules."We needed to..