I also ride the subway all the time. Plenty of horizontal holes in the ground. Tunnels. I tend to go through them with my feet on the ground, because I can stand up in them, because they're horizontal. Pits and fissures are vertical.
I also ride the subway all the time. Plenty of horizontal holes in the ground. Tunnels. I tend to go through them with my feet on the ground, because I can stand up in them, because they're horizontal. Pits and fissures are vertical.
Andrew.
Ohhh... ok.... I was thinking horizontal in reference to the Z axis. (duhh)
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