There's a nicely clear place to put your hand, on each closed locker-door.  Illuminated with the outline of a hand, even.

There's a nicely clear place to put your hand, on each closed locker-door.  Brightly illuminated with the outline of a hand, even, on some of the doors; other doors have fainter illumination of the same outline, in blue instead of yellow.

They're numbered from 1 to 60.