is a collection of stock photos for non-commercial use. Students from ITU can download 30 photos per month.
To activate your student license; go to Colourbox
, enter the educational key in the bottom field of the site 80355989340
and fill the form. If your license expires then do like so to renew it: log in to your account, click on "educational license" and choose "renew key".
Remember, that you are not allowed to use Colourbox pictures for commercial exploitation.