ISS028-E-005638 (27 May 2011) --- A portion of the International Space Station and the docked space shuttle Endeavour is featured in this image photographed by a spacewalker, using a fish-eye lens attached to an electronic still camera, during the STS-134 mission?s fourth session of extravehicular activity (EVA). The blackness of space and Earth?s horizon provide the backdrop for the scene.