Tourists walking in the ice grotto inside Rhone Glacier, Gletsch, Canton of Valais, Switzerland, Europe

color image vertical travel destinations travel rear view blurred motion indoors day switzerland europe valais rhone glacier glacier cold temperature gletsch four people people men adult women boys child girls boardwalk grotto cave nature walking mother family daughter father son boy male males children kid kids person daytime girl female females glaciers cold indoor inside man adults travel destination tourist destination tourist destinations woman