https://www.phillyvoice.com/peco-building-philly-crown-lights-off-messages-2020-fall-upgrades/
Iconic PECO building in Philly turning off crown lights until fall | PhillyVoice
Jul 7, 2020 - The crown lights atop Philadelphia's PECO building at 23rd and Market streets will go dark until the fall as the platform undergoes system upgrades, officials...