하늘 적운 air_travel daytime cumulus flight 구름 산 atmosphere mountain_range 대기층 horizon 지평선 대기 sky 낯 비행 cloud Ridge

sky.

I have a big photo collection of sky. I don't know why but I really like to look up, to see clouds and sun and sometimes a clean-clean blue sky. The best thing to fly by airplane is to be above all these clouds, unbelievably beautiful.