while on our evening walk in the hills this umbrella shaped being with what seemed to be its legs slightly above ground startled usa cloudy evening in the himalayan ranges an open umbrella shaped structure with two legs startled us.it was greyish white and producing a hissing sound.it was firstly moving down from the the hilltop slightly above ground and after a metre or two it started moving horizontally.at that very moment we tried to chase it in sheer curiosity but the very next momont it started sliding at ultimately disappeared in to a deep dark crator like valley.((NUFORC Note: Witness identifies himself as a member of the health-care community. The report appears to have been submitted, in fact, from outside the U. S.. PD))