Mavic Drone Flight Portland Breakwater August 2020b

Описание к видео Mavic Drone Flight Portland Breakwater August 2020b

August 2020 flyover of the northern end of Portland breakwater. This structure was initially designed by John Coode in 1852. The breakwater was constructed from stone brought from the quarries on Portland via an inclined railway and using timber piers, railways and cranes, stone was dumped into the sea from a height and the action of the sea compacted the mass.

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