Sparation between distant blocks

So whenever viewing distant blocks  it seems that there is a space that appears between the blocks allowing you to see threw the world.  This does happen close up to but only occasionally and when viewing blocks from the top down.

What I expected to happen was...:
The blocks to be toghether

What actually happened was...:
the blocks were separated

Steps to Reproduce:
1. Start a world, thats it it does this in all world no matter what.