A Map Showing How Much Time It Takes to Learn Foreign Languages: From Easiest to Hardest

http://www.openculture.com/2017/11/a-map-showing-how-much-time-it-takes-to-learn-foreign-languages-from-easiest-to-hardest.html?fbclid=IwAR0DbSZ9jJ-a1NJMYVKB0wHX3TfvYVJ7C8dYI0MXXA4AnkJPTgp20lDaNvw