A warren of cables and systems outside of the International Space Station are photographed during a spacewalk on Nov. 6, 2015.
NASA astronauts Scott Kelly and Kjell Lindgren restored the port truss (P6) ammonia cooling system to its original configuration and eturned ammonia to the desired levels in both the prime and back-up systems. The spacewalk lasted for seven hours and 48 minutes.
ISS045E075825 (10/06/2015) Larger image
