A fossil expert uses a drill to remove the rock from around the segmented tendrils of a crinoid fossil from the Cretaceous Period that has turned to opal in the desert. Floor A Bedouin man galloping on

A Bedouin man galloping on a horse past the ancient ruins of the Obelisk Tomb

Sunlight reflects off of sand ripples on a tidal flat in Tasmania

The intricate tiled muqarnas on the vaulted surface of the Holy shrine of Hazrat Masuma

Religious symbols on a spinning brass prayer wheels in a Himalayan town square

A fossil expert uses a drill to remove the rock from around the segmented tendrils of a crinoid fossil from the Cretaceous Period that has turned to opal in the desert. Floor A Bedouin man galloping onA fossil expert uses a drill to remove the rock from around the segmented tendrils of a crinoid fossil from the Cretaceous Period that has turned to opal in the desert. Devon Meadows, Melbourne, Victoria, Australia.