![](http://www.alamy.com/thumbs/6/F4FC3D65-CE54-4F09-99BA-BF0C3ECD490F/RKFPN4.jpg)
Track renewal engineers working during the night to replace sections of the London Underground tube lines, Northwood, London, United Kingdom.
Size: 5760px × 3840px
Location: Green Ln, Northwood HA6 2XL
Photo credit: © Jeff Gilbert / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: arc, butt, engineers, flash, head, london, maintenance, night, rail, repair, rolling, stock, team, thermic, thermit, track, underground, wash, weld, welding, workers