Snowy Owl caught by traffic camera, Obama at CNN’s townhall

A laborer works beside a large snow sculpture ahead of the Harbin International Ice and Snow Festival in the northern city of Harbin, Heilongjiang province, China, January 5. (Source: Reuters)

In this Monday, January 4, 2016 photo, singers and actresses, Gillian Chung, right, and Charlene Choi, of Hong Kong pop duo Twins hug each other during their concert in Hong Kong. (Source: AP)

A woman looks through an icy window in a bus in Vilnius, Lithuania, Wednesday, January 6, 2016. The air temperature was -23 degrees Celsius (-9.4 degrees Fahrenheit). (Source: AP)

A snowy owl is seen approaching a Canadian road network surveillance camera on Highway 40 on the West Island of Montreal, Canada, in this still image from video taken January 3. (Source: Reuters)

U.S. President Barack Obama listens to remarks from Taya Kyle, widow of US Navy SEAL Chris Kyle, as he participates in a live town hall event on reducing gun violence hosted by CNN’s Anderson Cooper at George Mason University in Fairfax, Virginia January 7. (Source: Reuters)

A tourist boat with restaurant aboard, especially designed for winter rivers, cruises the frozen Moskva River in Moscow, Russia, Monday, January 4. Temperatures dipped to -18 C (-0,4 F) in Moscow and -20 C (-4 F) in surrounding regions. (Source: AP)

A crane is seen next to a giant statue of Chinese late chairman Mao Zedong under construction near crop fields in a village of Tongxu county, Henan province, China, January 4. According to local villagers, several entrepreneurs spent nearly 3 million yuan (460,000 USD) to build the 36.6-metre-high statue covered in golden paint, local media reported. (Source: Reuters)

Footprints left by a river gull are seen on a frozen section of the Sava river in Belgrade, Serbia, Tuesday, January 5. Freezing temperatures and light snowfall have engulfed much of the Balkans during the weekend for the first time this winter. (Source: AP)

Attendees listen to U.S. Democratic presidential candidate Hillary Clinton speak at a campaign event in Des Moines, Iowa, United States, January 4. (Source: Reuters)

A murmuration of migrating starlings is seen across the sky in southern Israel December 31. (Source: Reuters)

A murmuration of migrating starlings is seen across the sky over the city of Beer Sheva at southern Israel December 28. (Source: Reuters)

Migrating starlings fly across the sky, in southern Israel December 28. (Source: Reuters)

A worker walks past a pile of steel pipe products at the yard of Youfa steel pipe plant in Tangshan in China's Hebei Province in this November 3. (Source: Reuters)

A Palestinian barefoot boy stands next to remains of a destroyed house in the town of Beit Hanoun, northern Gaza Strip, Monday, January 4. (Source: AP)

People watch and use their smartphones to take picture of fireworks, to celebrate the New Year at the Imjingak Pavilion near the border village of Panmunjom in Paju, South Korea, Friday, January 1. (Source: AP)

Peoples release balloons to celebrate the New Year with Tokyo Tower in the background in Tokyo, early Friday, January 1. Japan celebrated the start of 2016, the Year of the Monkey in the Japanese Zodiac. (Source: AP)

In this January 1, 2016 photo, fireworks light the sky over Copacabana beach during New Year's Eve celebrations in Rio de Janeiro, Brazil. (Source: AP)

Men jump into the waters of a lake in an attempt to grab a wooden cross on Epiphany Day in Sofia, Bulgaria January 6. Orthodox priests throughout the country traditionally bless the waters by throwing a cross into it which worshippers try to catch, with the strong belief that catching the cross brings health and prosperity to the person who retrieves it. (Source: Reuters)

People burn smoke bombs during a fire and smoke festival as they celebrate incoming Orthodox Christmas in St. Petersburg, Russia, Monday, January 4. Russians continue to celebrate the New Year and Orthodox Christmas from Jan. 1 to January 10. (Source: AP)

Indonesia's Mount Sinabung volcano spews lava and ash during an eruption as it is seen from Tiga Pancur village in Karo, North Sumatra province, January 7. (Source: Reuters)

The 67-storey-high "The Masterpiece", one of Hong Kong's most luxurious high-rise residential buildings, is seen during foggy conditions under the influence of a warm maritime airstream at sunset in Hong Kong in this March 21, 2011 file photo. A record number of Hong Kong firms shut up shop last year as China, the mainstay of the city's economy, trundled to its slowest economic growth in a quarter of a century and spending by mainland visitors dried up. (Source: Reuters)

Snow is seen on the San Gorgonio Mountains behind a windmill farm in Palm Springs, California, January 7. (Source: Reuters)

Chimneys of a power plant emitting smog are pictured from a plane, outskirts of Beijing January 8. (Source: Reuters)

A man reads the latest edition of French weekly newspaper Charlie Hebdo with the title "One year on, The assassin still on the run" on a cafe terrasse in Nice, France, January 6. France this week commemorates the victims of last year's Islamist militant attacks on satirical weekly Charlie Hebdo and a Jewish supermarket with eulogies, memorial plaques and another cartoon lampooning religion. (Source: Reuters)

A migrant carrying a child covered with a blanket, walks from the Macedonian border into Serbia, near the village of Miratovac, Serbia, Wednesday, January 6. Hundreds of migrants continue to arrive daily into Serbia in order to register and continue their journey further north towards Western Europe. (Source: AP)

Swimmers look out of a window of a boat to take part in the traditional Three Kings swim in the Vltava River in Prague, Czech Republic, Wednesday, January 6. (Source: AP)

Sebastien Loeb of France drives his Peugeot during the fifth stage Jujuy-Uyuni of the Dakar Rally 2016 near Uyuni, Bolivia, January 7. (Source: Reuters)

A steam train travels among crop fields at the annual steam train festival during sunrise in Diaobingshan, Liaoning province, China, January 8. (Source: Reuters)

People visit ice sculptures illuminated by coloured lights on the opening day of the Harbin International Ice and Snow Festival in the northern city of Harbin, Heilongjiang province, China, January 5. (Source: Reuters)