ISS031-E-116058 (13 June 2012) --- Polar mesospheric clouds in the Northern Hemisphere are featured in this image photographed by an Expedition 31 crew member on the International Space Station. In both the Nor More
Public domain texture / A close up of a wooden wall with a textured background / A wood texture that is grey and white. Public domain textures and patterns: A close up of a wooden wall with a textured backgrou More