I'm in the midst of a 766 kilometre virtual walk in India...
It's called the Golden Triangle walk.
As I walk, I'm able to see where I am on 3 different google maps of the area. The first provides roads and place names.
A second provides geographical details, like elevation.
The third is an aerial view - a satellite image.
On this satellite image, I noticed an interesting geographical feature that resembles a giant EAR or HEART!
What is it?! A giant mine shaft?!
The map with place names doesn't have a name for it in English - so I can't look it up... I'm totally puzzled!
A few days later, I encountered another... Am I in mining country?!
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