At the location shown by the screenshot, there's a graphical bug, allowing the player to see through a section of ground. There's a tree with blue leaves just to the left of the player.
It's a high-res image, by the way, just open in a separate tab to view it, and you'll see the mini-map in more detail.
Edited by vsrs_au on March 13, 2023 11:36PM PC(Steam) / EU / play from Melbourne, Australia / avg ping 390