Arch, GreenlandAn iceberg arch in East Greenland, massive enough to frame the mountains behind it. The blue green ice is extraordinary, that deep colour that only comes from centuries of compression forcing the air out. Jagged spires rise above the arch like broken teeth. I made this photograph under heavy overcast, which is actually ideal for ice. Diffused light saturates those blues and greens without blowing out the highlights on the white surfaces. The water was