Photo of Day 13

Australia, 1997
Photograph by R. Ian Lloyd

Roff Smith wanders along sand dunes in South Australia. A well-known writer on Australian topics, Smith embarked on a nine-month, 10,000-mile (16,000-kilometer) bicycle trek around the rugged continent in 1996.

(Photo shot on assignment for, but not published in, "Australia by Bike," December 1997, National Geographic magazine)