The flags represent people from all 50 states, the five U.S. territories and Washington, D.C., who cannot attend because of the coronavirus pandemic and tight security in the nation's capital.

President Trump was impeached for inciting his supporters to storm the U.S. Capitol. The violence and its aftermath will be an enduring symbol of his four years in the White House.

When he gets into the Oval Office, Biden plans to sign 17 executive actions on priorities including COVID-19, climate change, racial justice — and rolling back Trump rules.

Members of the Trump administration won't have to wait five years before lobbying the agencies where they worked. Trump had been highly critical of former President Clinton for a similar reversal.