
One of Gregor Sailer's images from the Krafla Power Station, a geothermal power plant in Iceland. Scroll through the gallery to see more images from his new book, "The Polar Silk Road."

The North Warning System (NWS), an air defense early-warning radar system built jointly by the US and Canada.

The Caisson Retained Island, a platform for an exploration drilling rig in the Beaufort Sea.

A radio installation in Tacan, West Greenland.

Barracks in Kangerlussuaq, Greenland, the site of several former military bases.

The EastGRIP research facility in Greenland.

At EastGRIP, scientists drill into the ice sheet for research purposes.

Research at EastGRIP is aimed at understanding previous climactic conditions and the behavior of ice streams.

Research equipment pictured at the EastGRIP facility in Greenland.

An image of a military facility in Norway that served as the cover photo for Sailer's book, "The Polar Silk Road."

The Ramfjordmoen facility -- near Tromsø, Norway -- is used to study the interaction between the Earth and the sun.

The China-Iceland Arctic Observatory, the result of a scientific collaboration between research institutions in the two countries.



