Kevin Darke AKA @legosaretotallyforadults is totally killing it with his jungle LEGO diorama by putting in a moving waterfall. This waterfall is made up of 10,000 "water" bricks that actually move and fall through a conveyor belt waterfall system.
You may see more of the intricacies of building such a scene in the video below:
Image Credits: Kevin Darke via Instagram
Video Credits: Beyond the Brick/Joshua Hanlon via Youtube