More than 40 species of whale spend their lives beneath the waves, surfacing only to breathe https://on.natgeo.com/2WcxQTI

More than 40 species of whale spend their lives beneath the waves, surfacing only to breathe https://on.natgeo.com/2WcxQTI 

https://twitter.com/NatGeoTravel/status/1135863856633384960