pan across nevada spillway and rising water level during the time when lake mead is still filling up with colorado river water during the first years... - 胡佛水壩 個影片檔及 b 捲影像00:30
hoover dam, nevada, arizona, us, 1956. hoover dam is a concrete arch-gravity dam in the black canyon of the colorado river, on the border between the... - 胡佛水壩 個影片檔及 b 捲影像00:28
hoover dam at boulder city nevada near las vegas on the arizona border showing drastically lower water levels in lake mead reservoir due to long-term drought conditions in the american southwest - 胡佛水壩 個影片檔及 b 捲影像00:08
people swim off the back of a pontoon boat in the narrows upstream of the hoover dam with the mike o'callaghan-pat tillman memorial bridge in the... - 胡佛水壩 個影片檔及 b 捲影像00:10
video of lake mead water levels from different viewpoints including the hoover dam. - 胡佛水壩 個影片檔及 b 捲影像00:18
for the first time since it was filled in the 1930s a water shortage has been declared at lake mead. america's largest reservoir has suffered at the... - 胡佛水壩 個影片檔及 b 捲影像01:49
‘apocalyptic’ heatwave and drought hit parts of us; hoover dam, nevada, usa; various shots of hoover dam and depleted hoover dam reservoir, patti... - 胡佛水壩 個影片檔及 b 捲影像03:41
tourists visiting hoover dam and death valley desert as heat wave strikes in nevada, u.s., on thursday, june 17, 2021. - 胡佛水壩 個影片檔及 b 捲影像00:49
visitors walk on the nevada side of the mike o'callaghan-pat tillman memorial bridge to view lake mead behind the hoover dam, the hoover powerplant... - 胡佛水壩 個影片檔及 b 捲影像00:13
stable view of sign "caution curb that urge ... objects dropped from this point endanger the lives of workmen below"; machinery connected by cables... - 胡佛水壩 個影片檔及 b 捲影像00:11
"boulder dam a symbol - roosevelt" over black screen then superimposed over boulder dam / aerial of dam with lots of cars and people on it / sot... - 胡佛水壩 個影片檔及 b 捲影像00:42
view of commemorative plaque and view from hoover dam wall, nevada/arizona border, united states of america, north america - 胡佛水壩 個影片檔及 b 捲影像00:30
view of the wall of mike o'callaghan-pat tillman memorial bridge and hoover dam, nevada/arizona border, united states of america, north america - 胡佛水壩 個影片檔及 b 捲影像00:30
a drone flies along a highway outside the boulder dam and hoover dam area in arizona - 胡佛水壩 個影片檔及 b 捲影像00:17
high angle down tracking shot of white delivery car or taxi on mountain road heading right in arid or desert area. see power lines on sides, road approaches hoover dam. - 胡佛水壩 個影片檔及 b 捲影像00:26
aerial tracking shot of white delivery car or taxi on road of hoover dam by rock wall. shots pulls back as car approaches dam and reaches arizona-nevada border. mans gets off car and stands by border. beauty shot. - 胡佛水壩 個影片檔及 b 捲影像01:15