aerial slider shot of the bridge foundation and a barge mounted crane in river

mekong river cambodia river bridge barge drone landscape pier video horizon over water drone asia construction platform flowing water low tide aircraft point of view landscape 4k mode of transport construction site flying built structure nautical vessel girder mobile crane floating on water transportation industry construction material building engineering machine part construction frame construction industry cement industrial equipment industrial building planning stationary concrete outdoors construction equipment crane - construction machinery architectural column close-up lifestyles carrying