Old rotary telephone. Pick up, then dial my own cell phone number. It is possible to compare the duration to find my number. Text me if you find out. Don't forget to add the France code if applicable. UCS Category: COMTelph. Duration: 00:24.
Soundscape of an attraction of the Thoiry Zoo. 1500 m2 of nets stretched between the trees, rising up to 9m high. UCS Category: AMBAmus. Duration: 01:35.
Passage of a boomerang or a stick that flies while turning. Doppler-Fizeau effect of a passage from left to right, made by computer. UCS Category: SWSH. Duration: 00:04.