PhotoBlog - Boom!! Giant boring machine breaks through subway wall under New York City
http://photoblog.msnbc.msn.com/_news/2011/09/22/7905218-boom-giant-boring-machine-breaks-through-subway-wall-under-new-york-city
2011年9月23日 星期五
tunnel boring machine , the Second Avenue subway line , New York. 隧道掘進機，第二大道地鐵線，紐約。
PhotoBlog - Boom!! Giant boring machine breaks through subway wall under New York City
http://photoblog.msnbc.msn.com/_news/2011/09/22/7905218-boom-giant-boring-machine-breaks-through-subway-wall-under-new-york-city
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