En el artículo , Bob Minchin bob.minchinREM
escribió:

Lights?
That's what went through my mind

No, they're definitely cameras. if you look at the domes, the lenses
inside are pointing in slightly different directions (more or less
towards the photographer). The one above is pointing 90 degrees away
from them.

The suggestion of them pointing at different ticket barriers is a good
idea.

--
(\_/)
(='.'=) "Between two evils, I always pick
(")_(") the one I never tried before." - Mae West