These trailblazers staged epic journeys across new lands, broke cultural barriers, and revealed the radical diversity of the world around us http://on.natgeo.com/2FRbgrG

These trailblazers staged epic journeys across new lands, broke cultural barriers, and revealed the radical diversity of the world around us http://on.natgeo.com/2FRbgrG 

https://twitter.com/NatGeoTravel/status/961223061113659392