Cold on the mountain side.
A not-so-cold night five days ago. I open one of the large windows in my room in Kalpa and pull the curtain over it to prevent insects from drifting in.
When I go to the window after a while and pull the curtain away, a cold sensation passes through my hand. The curtain is warmish on the side facing the room but cold on the outside, the side facing the snow-capped Kinnaur Kailash mountains.