an aerial view of high speed bullet train and air pollution on march 23, 2017 in hefei, china. - 鐵路交匯處 個影片檔及 b 捲影像00:40
an aerial view of high speed bullet train and air pollution on march 23, 2017 in hefei, china. - 鐵路交匯處 個影片檔及 b 捲影像00:16
an aerial view of high speed bullet train and air pollution on march 23, 2017 in hefei, china. - 鐵路交匯處 個影片檔及 b 捲影像00:27
an aerial view of high speed bullet train and air pollution on march 23, 2017 in hefei, china. - 鐵路交匯處 個影片檔及 b 捲影像00:29
an aerial view of high speed bullet train and air pollution on march 23, 2017 in hefei, china. - 鐵路交匯處 個影片檔及 b 捲影像00:20
an aerial view of high speed bullet train and air pollution on march 23, 2017 in hefei, china. - 鐵路交匯處 個影片檔及 b 捲影像00:33
an aerial view of high speed bullet train and air pollution on march 23, 2017 in hefei, china. - 鐵路交匯處 個影片檔及 b 捲影像00:18
an aerial view of high speed bullet train and air pollution on march 23, 2017 in hefei, china. - 鐵路交匯處 個影片檔及 b 捲影像00:16
an aerial view of high speed bullet train and air pollution on march 23, 2017 in hefei, china. - 鐵路交匯處 個影片檔及 b 捲影像00:36
an aerial view of high speed bullet train and air pollution on march 23, 2017 in hefei, china. - 鐵路交匯處 個影片檔及 b 捲影像00:31
an aerial view of high speed bullet train and air pollution on march 23, 2017 in hefei, china. - 鐵路交匯處 個影片檔及 b 捲影像00:30
an aerial view of high speed bullet train and air pollution on march 23, 2017 in hefei, china. - 鐵路交匯處 個影片檔及 b 捲影像00:34
an aerial view of high speed bullet train and air pollution on march 23, 2017 in hefei, china. - 鐵路交匯處 個影片檔及 b 捲影像00:23
an aerial view of high speed bullet train and air pollution on march 23, 2017 in hefei, china. - 鐵路交匯處 個影片檔及 b 捲影像00:38
beijing, china - october 16, 2016: passengers in beijing xizhimen subway junction. - 鐵路交匯處 個影片檔及 b 捲影像00:06
