The Yeti, or more commonly known as the Abominable Snowman, has been a mystery just like Bigfoot. In 1959, the U.S. Embassy in Nepal, issued a memorandum on what to do if you really encountered the Yeti in the Himalayas. Yes, this memo really does exist and you can see it here.
In a normal instance when you get attacked by a cobra snake, you end up perishing from it's deadly venomous bite. It isn't the case for 55-year old Mohamed Salmo Miya, a native from Nepal.