swiss alps: the train trip from posciavo in italy to bernina-hospitz in the upper engadin in canton graubünden is a tourist hot

alp alps anymore are attraction bernina berninahospitz canton change climate corona covid19 due editorial engadin europe glaciers global grafrac14 graubafrac14 graubünden hot italy melting mountains nden people permafrost posciavo railway spot station stop swiss there tourism tourist train transport travel travellers travelliing trip upper virus visitors