Here are the iconic Chicago buildings participating Tuesday night Published January 19, 2021 • Updated on January 19, 2021 at 11:15 pm NBCUniversal Media, LLC Chicago skyscrapers went dark Tuesday night during the national COVID-19 memorial service, according to the mayor's office. The City of Chicago partneringed with the incoming Biden-Harris Administration to host the virtual Brighter Together COVID-19 Memorial Service Tuesday at 6 p.m. Residents and business across the city were invited to turn off lights and electronics, step out onto a driveway or balcony and light a candle in silence to observe the lives lost to the coronavirus, city officials said. These are some iconic Chicago buildings that participated: