Visitors to a park in Vietnam pay $2 to watch an "instructor" encourage ducks to go down a water slide at a lake.br br In the video, the large group of ducks split into two as they go up a ride. Some dive off a board and into the lake, while others proceed to a higher point and then go down the slide, to the delight of onlookers.br br The ducks are being marshaled by an instructor wielding a long stick. br br They perform all day for visitors who pay $2 ticket to enter the park and watch the show.br br The clip was captured in Vinh Long Province, southern Vietnam.