Free HDR For Studio Render

Ok this is the first one free HDR at 6000x3000 px for 3d render sofware i view set of light setup in order website and is sale this ;( i don't understand because is so easy to made one , so for me, one more time is totally free for use professional work or personal work , but don't release . and more coming soon.
Thx Ericdesign2K10