See Chicago prepare for DNC in photos

Workers gather during rehearsals during preparations before the start of the Democratic National Convention at the United Center on Aug 18, 2024. The DNC program will kick off on Monday with four days of ceremonies.

Workers and volunteers walk on the stage during preparations before the start of the Democratic National Convention at the United Center. The DNC program will kick off on Monday with four days of ceremonies.

Workers hang a sign during preparations before the start of the Democratic National Convention at the United Center on Aug 18, 2024. The DNC program will kick off on Monday with four days of ceremonies.

Chicago police officers patrol during preparations before the start of the Democratic National Convention at the United Center on Aug 18, 2024. The DNC program will kick off on Monday with four days of ceremonies.

People walk past barricades during preparations before the start of the Democratic National Convention at the United Center on Aug 18, 2024.

Workers walk past signage during preparations before the start of the Democratic National Convention at the United Center on Aug 18, 2024.

A Jewish man hands out outdated buttons to people outside the United Center the day before the Democratic National Convention on Aug 18, 2024. The DNC is scheduled to take place at the United Center August 19 through August 22.

A worker puts the finishing touches on paint during preparations before the start of the Democratic National Convention at the United Center on Aug 18, 2024.

Overall view of the convention hall during preparations before the start of the Democratic National Convention at the United Center on Aug 18, 2024. The DNC program will kick off on Monday with four days of ceremonies.

Aug 18, 2024; Chicago, IL, USA; Exterior of the United Center during preparations before the start of the Democratic National Convention. The DNC program will kick off on Monday with four days of ceremonies. Mandatory Credit: Josh Morgan-USA TODAY ORG XMIT: USAT-895109 (Via OlyDrop)

A dog named Travis wears messages promoting kindness and abortion rights outside the United Center a day before the Democratic National Convention on August 18, 2024. The dog belongs to a Washington DC man identifying as a progressive Jew.

Preparation work for the Democratic National Convention continues at the United Center. The DNC is scheduled to take place at the United Center August 19 through August 22.

Workers setup balloons before they are lifted above the floor of the United Center for the Democratic National Convention (DNC) on August 16, 2024 in Chicago, Illinois. The United Center will host the DNC, which is officially scheduled to kick off on Monday, August 19 and run through Thursday, August 22.

Art restorer Lena Rush works on a mural of Vice President Kamala Harris as preparation work continues for the Democratic National Convention at the United Center. The DNC is scheduled to take place at the United Center August 19 through August 22. The mural, created by Ian Robertson-Salt and PeQue Brown, was commissioned by Emily’s List in 2020.

People take selfies in front of a mural of Democratic U.S. presidential candidate Vice President Kamala Harris that was created by Emily's List outside the United Center on August 16, 2024 in Chicago Illinois. The United Center will host the DNC, which is officially scheduled to kick off on Monday, August 19 and run through Thursday, August 22.

As seen from an aerial view people enter the United Center while preparing for the Democratic National Convention on August 16, 2024 in Chicago, Illinois. The convention will be held August 19-22.

Workers construct fencing in advance of the Democratic National Convention (DNC) outside the United Center in Chicago, Illinois, on Aug. 16, 2024

Workers setup balloons before they are lifted above the floor of the United Center for the Democratic National Convention (DNC) on August 16, 2024 in Chicago, Illinois. The United Center will host the DNC, which is officially scheduled to kick off on Monday, August 19 and run through Thursday, August 22.

People stand in front of a sign featuring Democratic presidential candidate U.S. Vice President Kamala Harris and Democratic Vice presidential candidate Minnesota Governor Tim Walz at the United Center before the start of the Democratic National Convention (DNC) on August 16, 2024 in Chicago, Illinois. The DNC runs from August 19-22.

Workers transport media signage as preparations are made ahead of the Democratic National Convention (DNC) at the United Center in Chicago, Illinois on August 16, 2024. Vice President Kamala Harris will formally accept the party's nomination for president at the DNC which runs from August 19-22 in Chicago.

Union workers set up a perimeter as preparations are made ahead of the Democratic National Convention (DNC) outside the United Center in Chicago, Illinois on August 16, 2024. Vice President Kamala Harris will formally accept the party's nomination for president at the DNC which runs from August 19-22 in Chicago.