https://joy.videvo.net/videvo_files/video/free/2019-02/large_watermarked/190111_05_Construction_Drone_07_preview.mp4 Workers on Construction Site Aerial shot panning round workers on a construction site in Bangkok, Thailand, at night. aerialasiaasianBangkokbuildersbuildingconstructioncranesdevelopmentdroneengineeringhighrisehousingindustrialnightsiteskyscraperskyscrapersthailandweldingworkers