<p><br>
Salt piles line the shoreline of Lake Retba, Senegal. The high salinity content of the lake provides a livelihood for salt collectors.</p>
Salt Piles on Shoreline, Senegal
Salt piles line the shoreline of Lake Retba, Senegal. The high salinity content of the lake provides a livelihood for salt collectors.
Patterns in Nature: Mysterious Earth
See mysterious Earth pattern photos, from National Geographic.
