Very cool site. From all the way out it looks like a typical fire path up a mountain. Zoom in and you won't believe it.
https://s3.amazonaws.com/Gigapans/EBC_Pumori_050112_8bit_FLAT/EBC_Pumori_050112_8bit_FLAT.html
https://s3.amazonaws.com/Gigapans/EBC_Pumori_050112_8bit_FLAT/EBC_Pumori_050112_8bit_FLAT.html