Festival time with sentinel-2

Burning Man, black rock desert, USA.Area : about 5 km2Official attendance in 2016:: about 70000 people per day during 8 days.1 people each 72 m2Conclusion about my search of the event on Sentinel-playground: EASY! The event is iin the middle of the desert, high contrasts, long preparation time, no cloud, .Festival des Vieilles Charrues, Carhaix, France..Area: about 8 hectares for the music festival and 20 hectares for the camping areaOfficial attendance in 2016: about 70000 people / day during four days.Density: 1 people each 4 m2Conclusion about my search of the event on Sentinel-playground: LUCKY! I searched for other big european music festivals and found only this one. Most of the dates appeared to be cloudy or without image during the festival..This one was perfectly clear.Conclusion: I still can’t hear the music