LONDON, Jan. 8 (Xinhua) --The British government has lifted the pre-departure PCR (polymerase chain reaction) test requirement for travelers starting from Jan. 7. Also arrivals do not have to isolate until they get a negative PCR test. 
A picture taken with a fish-eye lens shows passengers walking in Terminal 5 at Heathrow Airport in London, Britain, Jan. 7, 2022.(Photo by Tim Ireland/Xinhua)
A passenger heads through the transit system between terminals at Heathrow Airport in London, Britain, Jan. 7, 2022. (Photo by Tim Ireland/Xinhua)
People walk at Heathrow Airport in London, Britain, Jan. 7, 2022.. (Photo by Tim Ireland/Xinhua)
Passengers leave Terminal 5 at Heathrow Airport in London, Britain, Jan. 7, 2022. (Photo by Tim Ireland/Xinhua)■
