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The new lines on the eastern approach to London Bridge, which the Thameslink Programme will bring into use during the August blockade

This guy wanted a closer view of a passing train and climbed onto the railway to get it

young people hanging out by the railway

Bringing pushchairs and children onto railway land next to a live track is not recommended.

Shot from the Network Rail chopper, these lads were hanging out on the top of a cutting side

Network Rail's £1m camera, which can provide thermal imaging, and close ups of villains. The bear is the air crew's mascot

The helicopter also provides a good platform for photographs of lineside equipment.

A bus races the red lights at Yapton level crossing, Sussex, and gets nabbed by the red light cam