Google Earth linky - http://eol.jsc.nasa....to=ISS029-E-34315

GE puts you in the middle of the Atlantic ocean when you click on that inside GE, but if you click on the location on the tree on the left it gives more details.

I think the orange line is centered in this view: 25°14'55.88" N 70°49'38.51" E In Google Maps its - http://maps.google.c...8&t=h&z=6&vpsrc=0

If you zoom in, it seems to me there's no obvious reason for it to be so visible from the ISS. Presumably they have lots and lots of sodium-vapor lamps along the border.

What do you know... http://mha.nic.in/pdfs/Fencing.pdf (5 page .pdf)

A neat puzzle!

Cheers,
Scott.