unrecognized and silhouetted passengers boarding on airplane ladder, people climbs the plane's ramp - 樓梯 個影片檔及 b 捲影像00:08飛機
two business colleagues talking while walking down stairs in a modern office - 樓梯 個影片檔及 b 捲影像00:13辦公室
busy corporate office interior with escalators and diverse business executives - 樓梯 個影片檔及 b 捲影像00:19辦公室
high angle shot of baby crawling towards stairs near decorated christmas tree in cozy living room at home - 樓梯 個影片檔及 b 捲影像00:11
alpine club in autumn - middle-aged men cheering each other on as they climb seemingly endless staircase / south korea - 樓梯 個影片檔及 b 捲影像00:24
panning shot of businessman running up staircase in office / provo, utah, united states, - 樓梯 個影片檔及 b 捲影像00:07辦公室
4k video footage of an unrecognizable businesswoman walking through the city alone - 樓梯 個影片檔及 b 捲影像00:14女人, 高跟鞋, 女商人
young caucasian businessman and businesswoman walking up stairs in modern corporate building, back view of business man and woman colleagues talking and discussion in office, people ascending steps. - 樓梯 個影片檔及 b 捲影像00:06
female janitor black ethnicity and senior male caucasian janitor mopping the stairs in the school - 樓梯 個影片檔及 b 捲影像00:14清潔工人
aerial view of woman and man hiking on staircase at dramatic extreme mountain terrain of madeira island - 樓梯 個影片檔及 b 捲影像00:13無人機角度
tracking shot of a women's heeled shoes as they walk to a private plane in an airplane hangar - 樓梯 個影片檔及 b 捲影像00:26飛機
an oversized male adult student talking with friend on his smartphone and holding a drinking glass while slowly walking up the staircase before entering the university building. - 樓梯 個影片檔及 b 捲影像00:22
young business people colleagues returning from their break. man and woman in formal suits going up stairs into office building. multi racial partnership, communication business people concept. close up - 樓梯 個影片檔及 b 捲影像00:07
young executive and his secretary walking up office stairs and discussing meeting schedule. - 樓梯 個影片檔及 b 捲影像00:16
hispanic young woman feeling pain in knees and legs while stepping down from stairs at home. excessive workout pain. - 樓梯 個影片檔及 b 捲影像00:20
4k footage time lapse of crowded commuter people and passenger walking in rush hour morning within rail transportation station - 樓梯 個影片檔及 b 捲影像00:08
hispanic young woman feeling pain in knees and legs while stepping up stairs at home. excessive workout pain. - 樓梯 個影片檔及 b 捲影像00:14女人
ms overhead view of coworkers in discussion while walking up office stairs - 樓梯 個影片檔及 b 捲影像00:10辦公室, 女商人