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Urban explorers break into the Baikonur cosmodrome in Kazakhstan to film the abandoned Soviet Buran space shuttles. The video shows the decaying orbiters and the dangerous trip to reach them.

A feature-length film by the Makani team chronicling their thirteen-year effort to build energy kites that harvest wind power, with footage from test sites in Hawaii, California and Norway. It shows the engineering, the team and the eventual shutdown.

NASA JPL engineers explain the final minutes of the Curiosity rover's entry, descent and landing on Mars, which combined aerobraking, a parachute and a skycrane. It lays out the tight sequence of events that all had to work automatically.

A short BBC clip in which David Attenborough shows a lyrebird imitating sounds, including camera shutters, car alarms and chainsaws. It comes from the BBC natural history series Life on Earth.

A short BBC Earth clip from David Attenborough's Life of Birds showing a lyrebird imitating sounds, including a chainsaw and camera shutter, so accurately it is hard to tell from the real thing.

A Wendover Productions documentary-style video on how Zipline delivers blood and medical supplies by drone in Rwanda. It covers the catapult launch, parachute drop and the logistics behind it.

Reason TV profiles Elvis Summers, a Los Angeles musician who crowdfunded dozens of tiny homes for homeless people. City officials moved to remove them while pushing a multibillion-dollar housing plan.