 Prior to this, ethnographic films related to anthropology that gave photography to locals can even be traced back to the Navajo Project in 1960.
<clarity>  Prior to this, ethnographic films related to anthropology that gave photography to locals can even be traced back to the Navajo Project in 1960.
 Prior to this, ethnographic films that gave photographic techniques to locals can even be traced back to the Navajo Project in 1960.