November 13, 2007 - Moeraki Boulders, round septarian concretions created by cementation of Paleocene mudstone of the Moeraki formation, Koekohe Beach, New Zealand.

November 13, 2007 - Moeraki Boulders, spherical septarian concretions created by cementation of Paleocene mudstone of the Moeraki formation, Koekohe Beach, New Zealand.

November 13, 2007 - Moeraki Boulders, spherical septarian concretions created by cementation of Paleocene mudstone of the Moeraki formation, Koekohe Beach, New Zealand.

Tidal sorting of white sand and darker minerals into patterns at the west coast Talisker Bay beach, known as a white and black sand beach, an SSSI for its Tertiary basalt lava geology, Talisker Bay, Carbost, Skye, Inner Hebrides, Scotland, United Kingdom, Europe

The white and black sand beach and estuary at Talisker with Preshal More beyond, both SSSI locations for the Tertiary basalt lava geology and biological habitats, Talisker Bay, Carbost, Skye, Inner Hebrides, Scotland, United Kingdom, Europe

The white and black sand beach and estuary at Talisker with Preshal More beyond, both SSSI locations for the Tertiary basalt lava geology and biological habitats, Talisker Bay, Carbost, Skye, Inner Hebrides, Scotland, United Kingdom, Europe

Constructing a new training block for the Merchant Navy school on Funafuti Atoll, Tuvalu, Pacific

The Merchant Navy school on Funafuti Atoll, Tuvalu, Pacific