Getting Closer

Evan decided to have a closer look at what looked like a giant hole from a distance and the closer he got the more awe-inspired he became. The hole was much larger than what he initially imagined it to be as can be seen in the video ahead. It seemed like the hole was swallowing the water around it. The sight was quite magnificent and at the same time scary to behold. So how did a hole appear in the middle of a lake?