has looked after the historic tower since retiring. He said: 'The little light was built in 1811 in the adjoining lighthouse just across the street but it wasn't doing the job it was needed to do.

For this new low-carbon centre, Tonkin Liu designed the 40-metre-tall Tower of Light to support and enclose its flues, and the 63-metre-long Wall of Energy street façade, which encloses the centre ...