About: http://webisa.webdatacommons.org/437403989

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	At the western end, high mountains and deserts, such as the Sahara and the Himalayas, deter migrants from reaching tropical wintering areas, whereas access to the tropics through eastern Asia is largely unimpeded.
http://www.w3.org/ns/prov#wasQuotedFrom	si.edu