Most viral videos are born by accident and because someone was in the right place at the right time, and this next clip is no exception. The tourists in the video below were lucky enough to witness a once in a lifetime moment while they were visiting a natural park in Canada. Two bears came really close to the bus the tourists were in and started to entertain the people by walking on hind legs in exchange for snacks. As you can imagine, the tourists were extremely excited when the saw the bears acting this way. Take a look: