Cassidy and Nyberg in Cupola during HTV-4 approach

ISS036-E-029739 (9 Aug. 2013) --- NASA astronauts Chris Cassidy and Karen Nyberg, both Expedition 36 flight engineers, are pictured with still cameras in the Cupola of the International Space Station. The Japanese "Kounotori" H2 Transfer Vehicle-4 (HTV-4) is seen approaching the space station through a window.