in December 1952,a very thick dark cloud came down
in December 1952,a very thick dark cloud came down
发布时间:2021-02-20 13:29:44
in December 1952,a very thick dark cloud came down over londonIn December 1952,a very thick dark cloud came down over London.It was the worst smog (烟雾) Londoners never saw.Much of it was bad factory s