1971.5.9纽约时报：体验北京地铁

 当时地铁门口有军人警卫，并没有作为现实交通工具运行，当局对纽时记者说平均每天约有6万人各花两分钱买票体验地铁玩。

Peking Residents Ride the Subway Just for Fun
Special to The New York Times
New York Times (1923-Current file); May 9, 1971;
ProQuest Historical Newspapers: The New York Times with Index
pg. 2
 

 

出处：ProQuest Historical Newspapers