Rehearsing Joe Biden's inauguration

A general view of preparations prior to a dress rehearsal for President-elect Joe Biden's Presidential Inaugurmore

A stand-in for U.S. President-elect Joe Biden is sworn in on the podium, as a stand-in for Jill Biden looks onmore

A general view of a rehearsal for Joe Biden's inauguration. Caroline Brehman/Pool via REUTERS

White House Marine sentries are seen during a dress rehearsal. Melina Mara/Pool via REUTERS

Stand-ins for U.S. President-elect Joe Biden and Jill Biden participate in a dress rehearsal for 59th Presidenmore

The National Mall is filled with a display of U.S. flags during  a dress rehearsal. Patrick Semansky/Poolmore

A stand-in portraying President-elect Joe Biden rehearses the upcoming inauguration. Jim Lo Scalzo/Pool via REmore

A general view of rehearsal for President-elect Joe Biden's Inauguration. Erin Schaff/Pool via REUTERS

Stand-ins for Vice President-elect Kamala Harris and Doug Emhoff are seen during a dress rehearsal. Patrick Semore

A view of preparations prior to a dress rehearsal. Jeenah Moon/Pool via REUTERS

A fire burns under a bridge in Washington. The U.S. Capitol complex was shut down for about an hour out of an more

A member of the military rushes past, as people are evacuated back inside after an "external security threat" more

Empty seats are seen after a reported security threat during the rehearsal.  Jeenah Moon/Pool via REUTERS

Members of the U.S. National Guard arrive as the U.S. Capitol goes into lockdown during the dress rehearsal. Rmore

Members of the military take a shelter in place at the U.S. Capitol after a dress rehearsal. Greg Nash/Pool vimore

White House Marine sentries secure the East Front door of the U.S. Capitol during an unknown external securitymore

People are evacuated back inside after an "external security threat" prior to a dress rehearsal. Win McNamee/Pmore

Members of an Honor Guard walk down a set of stairs to the Capitol Visitors Center as people are evacuated indmore

A general view of a rehearsal for the inauguration. Caroline Brehman/Pool via REUTERS

U.S. military units march in front of the U.S. Capitol as they rehearse. J. Scott Applewhite/Pool via REUTERS

A general view of preparations. Patrick Semansky/Pool via REUTERS

Members from all of the services of the U.S. military march across in front of the White House during rehearsamore

Military members run through the movements during a dress rehearsal. Melina Mara/Pool via REUTERS

A military band passes the East Front of the U.S. Capitol during a dress rehearsal. Rod Lamkey/Pool via REUTERmore

Members of an Honor Guard evacuate the inauguration stand during a reported external security threat during thmore

Chairs are set socially distanced during a dress rehearsal. Jeenah Moon/Pool via REUTERS

Officers walk back onto the inauguration stage after having been evacuated due to a potential security threat more

The U.S. Army Band performs during a dress rehearsal. Greg Nash/Pool via REUTERS

A White House Marine sentry rehearses the arrival of President-elect Joe Biden next to a smashed window at themore

A law enforcement member stands guard due to a reported security threat during the rehearsal.  Jeenah Moomore

A helicopter flies above the U.S. Capitol during the dress rehearsal. Rod Lamkey/Pool via REUTERS

The Honour Guard arrives at the East Front of the U.S. Capitol during the dress rehearsal. Rod Lamkey/Pool viamore

The Honour Guard arrives at the East Front of the U.S. Capitol during the dress rehearsal. Rod Lamkey/Pool viamore

Stand-ins for Vice President Mike Pence and Mrs Pence speak during the rehearsal. Caroline Brehman/Pool via REmore

A military band passes the U.S. Capitol during the dress rehearsal ahead of U.S. President-elect Joe Biden's imore

Stand-ins for Vice President-elect Kamala Harris, Shana Chandler, and U.S. President-elect Joe Biden, Traci Pomore

Military band members dressed in costumes rehearse near the U.S. Capitol. REUTERS/Joshua Roberts

White House Marine sentries frame a Capitol Police Officer during a rehearsal for the arrival of President-elemore

Members of the military make preparations during the rehearsal. Greg Nash/Pool via REUTERS

A law enforcement stands guard due to a reported security threat during the rehearsal.  Jeenah Moon/Pool more