view of ben franklin bridge across delaware river in philadelphia united states - 建築特色 個影片檔及 b 捲影像00:16
view of patco train crossing ben franklin bridge in philadelphia united states - 建築特色 個影片檔及 b 捲影像00:14
view of lowell house and john w. weeks bridge over charles river in boston united states - 建築特色 個影片檔及 b 捲影像00:15
view of john w. weeks bridge over charles river and the tower of harvard university in boston united states - 建築特色 個影片檔及 b 捲影像00:20
view of john w. weeks bridge over charles river and the tower of harvard university in boston united states - 建築特色 個影片檔及 b 捲影像00:18
view of john w. weeks bridge over charles river and the tower of harvard university in boston united states - 建築特色 個影片檔及 b 捲影像00:13
view of john w. weeks bridge over charles river and the tower of harvard university in boston united states - 建築特色 個影片檔及 b 捲影像00:07
flags flapping in front of capital building in montpelier vermont united states - 建築特色 個影片檔及 b 捲影像00:20