Set - ups such as open fields and light / dark boxes require a top - view approach to assess whether animals prefer certain sections of the tank. (nolduszebrafish.com)
as much as i hate to type this — you should try to think outside the very small dark box you're in — and embrace the simple truth... (religion.blogs.cnn.com)
A few blocks away at the Paramount (1990), guests enter a tall dark box with a massive wedge of stair in the corner which leads to a gallery where it's possible to watch the theatre of activity below. (newscientist.com)