text: The Shard, in central London, is illuminated for a new Christmas light display, featuring over 575 LED lights and fixtures illuminating the top 20 storeys of The Shard, designed to show gratitude to all NHS staff and key workers across the UK for their work to keep the nation safe throughout the Covid-19 pandemic. PA Photo. The display includes a Morse code message spelling out 'Thank You', in NHS blue and white, and rainbow colours to reflect the symbols of hope that appeared on public buildings, community facilities and homes across the capital throughout 2020. Picture date: Thursday November 26, 2020. Photo credit should read: Dominic Lipinski/PA Wire