The Week in Pictures: Bernie's mittens and Trump's snub

The "Field of flags" on the National Mall in front of the Capitol ahead of inauguration ceremonies for President-elect Joe Biden on Jan. 20, 2021.

Firefighters spray down flames on the side of Interstate 210 in Sylmar, Calif. on Jan. 19. Dozens of fires were ignited as high winds and low humidity continue to spread throughout the state.

Gabrielle Burns-Smith stands in her flooded home on the outskirts of Lymm, England, on Jan. 21, as Storm Christoph caused widespread flooding across the United Kingdom.

A paralyzed mouse in a lab at Ruhr University in Bochum, Germany. 

German researchers have enabled mice paralyzed after spinal cord injuries to walk again, re-establishing a neural link hitherto considered irreparable in mammals by using a designer protein injected into the brain.

President Donald Trump and first lady Melania are greeted by Ivanka Trump, Jared Kushner, their children, Eric and Donald Jr., Tiffany Trump and other Trump family members on the tarmac at Joint Base Andrews in Maryland on Jan. 20.

In a break with tradition, Trump departed for Florida and did not attend his successor's inauguration.

The Trump years in pictures: From the Women's March to the Capitol riot

From left, Doug Emhoff, Vice President-elect Kamala Harris,  Jill Biden, President-elect Joe Biden, Sen. Roy Blunt, R-Mo., and Sen. Amy Klobuchar, D-Minn., arrive for the inauguration on Jan. 20.

Trump supporter Mark Leggiero, of Florida, N.Y., holds a banner outside the New York state Capitol objecting to the inauguration of President Joe Biden on Jan. 20.

Security was heavy at state Capitols across the country Wednesday in the wake of the deadly Jan. 6 siege of the U.S. Capitol, but no large-scale protests were reported.

Honduran migrants, part of a caravan heading to the United States, walk along a road in Camotan, Guatemala, on Jan. 16. 

An estimated 8,000 Hondurans sought to flee this week in a mass caravan hoping to reach the United States. But regional governments, including Honduras, organized a coordinated military operation to repel the caravan.

Honduras is reeling from two back-to-back hurricanes that devastated Central America in November, as well as a historic economic contraction on the back of coronavirus pandemic.

A worker builds a wood coffin at the Enzo Wood Designs manufacturing facility in Johannesburg on Jan. 20.

Casket and coffin manufacturers in South Africa are experiencing an increase in demand due to the pandemic.

A bus which careened off a road in the Bronx is left dangling from an overpass on Jan. 15.

The incident occurred after the driver was "unable to navigate the roadway" on the Cross Bronx Expressway, a New York Police Department spokesperson told NBC New York.

Eight people were injured.

Former presidential candidate, Sen. Bernie Sanders, I-Vt., sits in the bleachers at the Capitol before Joe Biden's inauguration on Jan. 20.

Sanders' environmentally friendly mittens captivated social media. 

An employee closes the oven door during the cremation of a Covid-19 fatality at the Nezahualcoyotl Municipal Cemetery in Mexico on Jan. 20.

Russian opposition leader Alexei Navalny walks to his seat in a plane heading to Moscow from Berlin on Jan. 17.

Navalny’s return to his homeland Sunday was, from the very start, meant to be a symbolic act of defiance.

He was arrested on arrival and now sits in Moscow’s most notorious detention facility awaiting a trial that could see him jailed for years, under guard by the same regime he says tried to kill him with a Soviet-era nerve agent.

Joe Biden is sworn in as the 46th president by Supreme Court Chief Justice John Roberts on Jan. 20.

First lady Jill Biden places her hands on President Joe Biden's shoulders during the inauguration. 

Kamala Harris is sworn in as vice president as her husband Doug Emhoff looks on. 

8-year-old Alice Wilkinson is joined by her cat Freddie as she works on a math lesson as part of remote schooling in Manchester, England, on Jan. 15.

Lava flows from Mount Merapi on Java Island on Jan. 19.

Thousands of people have had to leave their homes and farmland because of the eruptions, Indonesia’s most active volcano.

Former Presidents Bill Clinton, George W. Bush, Barack Obama and the former first ladies wait for President Joe Biden at Arlington National Cemetery on Jan. 20. 

The former presidents joined Biden for the traditional wreath-laying at the Tomb of the Unknown Soldier after the inauguration.

President Joe Biden, first lady Jill Biden and their daughter Ashley walk along the inaugural parade route in front of the White House on Jan. 20.

Biden takes office: Inauguration day in pictures

About 8,000 socially-distanced fans attend the Green Bay Packers playoff game against the Los Angeles Rams at Lambeau Field in Green Bay, Wis., on Jan. 16.

Health professional Raimunda Nonata, 70, is inoculated with CoronaVac, Sinovac Biotech's vaccine against Covid-19, inside her house in Cachoeira do Piria, Brazil, on Jan. 19.

President Joe Biden, first lady Jill Biden and family members watch inaugural fireworks from balconies at the White House on Jan. 20.

Inaugural fireworks light up the sky behind the Washington Monument.

Last week's gallery: Sleeping rough at the Capitol and packing up the White House