Timelapse of a group of tourists taking pictures on the Stairway to Heaven, a famous spot in the Salar de Uyuni on a sunny day

salar de uyuni bolivia landscape salt flat salt desert tourism nature panoramic view adventure vast flat tourist destination white salt minerals clear sky reflective mirage exotic tranquility travel desolate extreme unique surreal ecotourism landscape photography horizon aridity high plateau south america tourist attraction vacation exploration heritage local culture stairway to heaven timelapse time lapse fun selfie playing escalera uyuni photos