Minecraft's world is made up of chunks, which are 16 x 16 blocks large on the X and Z axis, and 384 blocks on the Y axis. When you first load into a world, a set number of chunks load around you, ...
In vanilla Minecraft, players can render 32 chunks around them. Though the highest setting expands the horizon quite a lot, the render fog still makes it look a bit odd. Hence, the community came up ...