70079235 - Diverting steam on a Manhattan street. The underground steam network is owned by Con Edison and is still used to power elevators for example. Diverting the steam is necessary during repairs in order to reduce pressure70079232 - Diverting steam on a Manhattan street. The underground steam network is owned by Con Edison and is still used to power elevators for example. Diverting the steam is necessary during repairs in order to reduce pressure70079229 - Diverting steam on a Manhattan street. The underground steam network is owned by Con Edison and is still used to power elevators for example. Diverting the steam is necessary during repairs in order to reduce pressure70079234 - Diverting steam on a Manhattan street. The underground steam network is owned by Con Edison and is still used to power elevators for example. Diverting the steam is necessary during repairs in order to reduce pressure70079233 - Steam derivation in a Manhattan street. During work on the system it is necessary to reduce the pressure in the pipes. The steam system is owned by Con Edison. Manhattan70079230 - Diverting steam on a Manhattan street. The underground steam network is owned by Con Edison and is still used to power elevators for example. Diverting the steam is necessary during repairs in order to reduce pressure70079228 - Diverting steam on a Manhattan street. The underground steam network is owned by Con Edison and is still used to power elevators for example. Diverting the steam is necessary during repairs in order to reduce pressure70295285 - City Hall is the headquarters of the Greater London Authority Designed by Norman Foster, it opened in July 2002 The building has an unusual bulbous shape, intended to reduce its surface area and thus improve energy efficiency
