US First Lady Michelle Obama performs t’ai chi with students from the Chengdu No 7 High School in Chengdu, in China’s southwest Sichuan province. Michelle Obama arrived in China last week with her mother and daughters to start a seven-day, three-city tour where she will focus on education and cultural exchange.
A man wraps up against the cold in downtown Albany, New York, as bitterly cold temperatures returned bringing up to six inches of snow and ice to the state capital
A couple and a child look at a 50-foot snowman named “Granddaddy” in Gilman, Minnesota. The snowman began to take shape earlier this winter when farmer Greg Novak needed to move mounting snow piles away from his greenhouses
Jim Lo Scalzo/EPA
A performer greets arrivals to the 41st Annual Conservative Political Action Conference at the Gaylord National Resort & Convention Centre in National Harbor, Maryland, USA
A morning commuter walks through the snow in the US city of Philadelphia, on Thursday
A snow plow clears downtown lanes on Interstate 75/85 during a winter storm on Wednesday in Atlanta.
Team USA huddles around the net before the game against Switzerland during the 2014 Winter Olympics women’s ice hockey game at Shayba Arena, Sochi, Russia
US President Barack Obama endorses the National Day of Prayer by attending the celebratory breakfast in Washington, DC, on Thursday
A man walks past a sculpture covered by a light dusting of snow in the US city of Baltimore
North America has been hit by the coldest temperatures in decades after a a polar vortex led to extreme weather conditions. In Baltimore, temperatures remain well below freezing, with ice forming on buildings, cars and roads.
Visitors walk through the holiday lights display “ZooLights” at the Lincoln Park Zoo in Chicago, Illinois.
John Moore/Getty Images
Protesters chained together block the entrance of an immigrant detention centre on Tuesday in Elizabeth, New Jersey. A coalition of immigrant advocacy groups marked international Human Rights Day by staging the civil disobedience action at the Elizabeth Detention Center where eight protesters were arrested by police. Organisers said the event was designed to draw attention to the continued mass deportations of undocumented immigrants by the US Immigration and Customs Enforcement, as well as Congress’s inability to pass immigration reform.
A commuter waits for a train during a snowstorm in Philadelphia, US
A shopper rests in the shoe section of Macy’s Herald Square store in New York on Black Friday, the US’s busiest shopping day of the year
A Spiderman balloon floats down Central Park West in New York during a Thanksgiving parade
A nightime aerial view of downtown in the US city of Chicago
(From left) Luca Vettori, Matteo Piano and Jiri Kovar, of the Italy men’s volleyball team, jump to block a ball during their match against the US at the FIVB Grand Champions Cup tournament in Tokyo
President Barack Obama awards former president Bill Clinton with the presidential medal of freedom on Wednesday, during a ceremony at the White House, Washington.
James Getty, portraying President Abraham Lincoln, stands before a ceremony commemorating the 150th anniversary of the dedication of the Soldiers National Cemetery and President Abraham Lincoln’s Gettysburg Address on Tuesday, in Gettysburg, Pa. Lincoln’s speech was first delivered in Gettysburg nearly five months after the major battle that left tens of thousands of men wounded, dead or missing. Getty is scheduled to deliver the Gettysburg Address at Tuesday’s ceremony.