[quote=Green]
Hundreds of cameras, not hundreds of screens. Most of the time, those screens are fixed at a much higher elevation, and a bunch of them have been very busy with Erde. This was specified in my entry post.
[/quote]

Wouldn't it be easier to equip the walker with motion sensors, seismic sensors or a passive radar system?

I mean, that way, it would be difficult to sneak up on your machine. 

I think.