The Living Force
But they are so interesting and beautiful to watch! Thank you for posting it again.
Filmmaker Greg Krehel captures 15 varieties of stunning Echinopsis cactus flowers blooming in this incredible time-lapse. The process happens overnight, and the flowers last for only a day, with a peak period occurring for a mere hour or two.
It is sight from top of three crowns (Trzy Korony - Wikipedia)