[TXnMA]

The article's

"But such signs on hill-slopes have not been reported from Peru," says Dr Karanth.

Got me started looking for a photo of the immense large cross/tree - like marking that is visible (from the sea) on a south American hillside. I haven't found it yet, but, my search turned up this source of beautiful IKONOS satellite views of major ancient sites:

http://www.world-mysteries.com/mpl_satellite.htm

If you haven't seen it yet, it is definitely worth a visit...

[TXnMA]

I thought this guy's "But such signs on hill-slopes have not been reported from Peru," says Dr Karanth.

was a little offf-base...

Here's the "Candelabra of the Andes":

And then there's this guy on a hillside near Pisco, Peru...