Nespoli and Vittori in Columbus

ISS027-E-035112 (20 May 2011) --- Inside the International Space Station's Columbus lab, a component contribution of the European Space Agency (ESA), two ESA astronauts congratulate each other on the progress so far of work accomplished by twelve astronauts and cosmonauts representing Endeavour's STS-134 crew and that of the station's expedition crew. They are ESA astronauts Paolo Nespoli (left), Expedition 27 flight engineer, and Roberto Vittori STS-134 mission specialist.