Sarah has the coolest job: Space Archaeologist.

She uses satellites to find undiscovered sites buried deep beneath the ground. But the real interesting stuff is what we can learn about ourselves from studying our past.

This is… A Bit of Optimism.
 

Watch Sarah's first TED Talk: https://www.youtube.com/watch?v=YFC5CwZVCEw&themeRefresh=1

Watch Egypt's Lost Cities on the BBC: https://www.bbc.co.uk/programmes/b011pwms