The Muixeranga is the collective name given to the performance of ancient street dances and human castles, originating in the Valencian Community : fr.wikipedia.org/wiki/Muixeranga. UCS Category: AMBCele. Duration: 02:15.
A tractor pruning my hedge facing a field, with a cutterbar. He moves forward, he moves back, then moves forward a second time. UCS Category: VEHFarm. Duration: 02:12.
Two helicopters starting and taking off one after the other. Sound recording during the open day of the UIISCI in Nogent-le-Rotrou in France. UCS Category: AEROHeli. Duration: 03:54.