It's been 64 years since the first summit of Everest. Take a look back at how climbing gear has evolved in the decades http://since.pic.twitter.com/PLYOaFga4o

It's been 64 years since the first summit of Everest. Take a look back at how climbing gear has evolved in the decades since. http://pic.twitter.com/PLYOaFga4o

https://twitter.com/NatGeoTravel/status/876590440065191936