Goodmorning London. BT Tower London. 

Goodmorning London. BT Tower London.
A 360° full-colour LED-based display system is installed at the top of the tower.
This display, referred to by BT as the "Information Band", is wrapped around the 36th and 37th floors of the tower, 167 m (548 ft) up, and comprises 529,750 LEDs arranged in 177 vertical strips, spaced around the tower. The display is the largest of its type in the world, occupying an area of 280 m2 (3,000 sq ft) and with a circumference of 59 m (194 ft). The display is switched off at 10.30pm each day.
The BT Tower is a communications tower located in at 60 Cleveland Street, Fitzrovia, London, owned by BT Group.
The tower has always been a useful late-night navigational beacon for nearby residents, especially the numerous university halls within walking distance.