Up or down......

[chicot60]

http://i.imgur.com/cbs6FqL.jpg

[Terryl]

I'd say up.

As the carpet on the stair treads is worn under his/her shoes, (carpet bulging up) and where he/she is standing is not, then he/she is lying down on his/her back looking up the stairs.

[1boxman]

But he is looking down ..;)

[1boxman]

but can you go both direction at the same time :noidea: