For light, reflection, background, etc.
We are glad you like our images. Till now we have gained more than 1900 hits on our HDR images and only 2-3 likes on our social profiles. So, we are going to change our upload policy. For every 20 likes scored, a new large HDRi will be uploaded. There are new high quality HDRi ready, just waiting to be uploaded. Until then enjoy in existing images.