Results 1 results found Aerial of a glacier, Kulusuk, Greenland, Denmark, Polar Regions Katrin Schneider and Susann Scheller checking a handheld GPS device while hiking on an ocean trail between Gansbaai and De Kelders. South Africa. Katrin Schneider and Susann Scheller checking a handheld GPS device while hiking on an ocean trail between Gansbaai and De Kelders. South Africa. Katrin Schneider and Susann Scheller checking a GPS device while sitting on a rocky outcrop at the coast near De Kelders. South Africa. A young woman makes a note in a geocaching logbook in Baltimore, Maryland. Katrin Schneider and Susann Scheller checking a handheld GPS device while hiking on an ocean trail between Gansbaai and De Kelders. South Africa.