From ski ballet of Calgary to the skijoring of Switzerland, looking back at these retired sports will take you on a worldwide journey http://on.natgeo.com/2Bxrnfh

From ski ballet of Calgary to the skijoring of Switzerland, looking back at these retired sports will take you on a worldwide journey http://on.natgeo.com/2Bxrnfh 

https://twitter.com/NatGeoTravel/status/964333549485686784