In 2013, following the renovation of King's Cross station, we were invited by Network Rail to see inside its famous clock tower.
The clock can only be described as minimalist. Rather than employing a mechanism of cogs, gears and weights, it's now controlled by a tiny electrical box that prompts the hands to move.
The vantage point, accessed through a small door on the concourse, offers excellent views of both the vast platform roof and the square below.
London Reconnections also toured the site, when the green canopy was still in place.
Last Updated 30 May 2016