Changes

* Riding a horse or other mountable animal

* Riding a horse or other mountable animal

* Bicycles or similar instruments

* Bicycles or similar instruments

* Dragging (as with a sled in artic conditions)

* Dragging (as with a sled in arctic conditions)

* Electromagnetic trains (or similar technology)

* Electromagnetic trains (or similar technology)

[[Category:anthropology]]

[[Category:anthropology]]