May be i saw a secret UFO base in the terrain of himalayas

I am not at all a believer of conspiracy theory but what I just saw took away my breath for a few seconds, something appears to be looking like a building in the middle of nowhere. How is this possible the surroundings were all full of snow but this building I am really not sure of whatever it was just happened to be seen. 
 To me, it looks something like a  building ... You guys see and decide what I just saw was what I think or maybe I might be mistaken and overwhelmed with my Findings