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A woman sits on a pier on March 3, 2018 to watch northern lights , on the Lofoten Islands, in Bostad, in the arctic circle in northern Norway.

Rider Eric Mikkelson and skier Jason Dahl race to the finish line during the 70th annual Leadville Ski Joring weekend competition on March 3, 2018 in Leadville. Ski Joring, which has its origins as a competitive sport in Scandinavia, has been adapted over the years to include jumps, slalom gates, and spearing rings for points. Leadville has been hosting skijoring competitions since 1949.

An ethnic minority delegate leaves from the Great Hall of the People on the eve of the annual legislature's opening session in Beijing, Sunday, March 4, 2018.

This picture taken on March 1, 2018 shows Tibetan Buddhist monks praying during a ceremony for Monlam, otherwise known as the Great Prayer Festival of Losar, the Tibetan New Year, at the Rongwo Monastery, in Tongren County, Huangnan Tibetan Autonomous Prefecture, on the Qinghai-Tibet plateau. Scores of monks and men heaved the enormous thangka -- an image of Buddha painted on silk, rolled up in a tight cylinder while in transit -- through the packed streets around Rongwo Monastery in China's northwestern province of Qinghai for a religious ritual wrapping up Losar, the Tibetan new year. / JOHANNES EISELE/AFP/Getty Images

This picture taken on March 1, 2018 shows Tibetan Buddhist monks unveiling a giant thangka during a ceremony for Monlam, otherwise known as the Great Prayer Festival of Losar, the Tibetan New Year, at the Rongwo Monastery, in Tongren County, Huangnan Tibetan Autonomous Prefecture, on the Qinghai-Tibet plateau. Scores of monks and men heaved the enormous thangka -- an image of Buddha painted on silk, rolled up in a tight cylinder while in transit -- through the packed streets around Rongwo Monastery in China's northwestern province of Qinghai for a religious ritual wrapping up Losar, the Tibetan new year. / JOHANNES EISELE/AFP/Getty Images

This picture taken on March 1, 2018 shows Tibetan Buddhist monks attending a ceremony for Monlam, otherwise known as the Great Prayer Festival of Losar, the Tibetan New Year, at the Rongwo Monastery, in Tongren County, Huangnan Tibetan Autonomous Prefecture, on the Qinghai-Tibet plateau. Scores of monks and men heaved the enormous thangka -- an image of Buddha painted on silk, rolled up in a tight cylinder while in transit -- through the packed streets around Rongwo Monastery in China's northwestern province of Qinghai for a religious ritual wrapping up Losar, the Tibetan new year. / JOHANNES EISELE/AFP/Getty Images

This picture taken on March 1, 2018 shows a devotee praying to passing Tibetan Buddhist monks during a ceremony for Monlam, otherwise known as the Great Prayer Festival of Losar, the Tibetan New Year, at the Rongwo Monastery, in Tongren County, Huangnan Tibetan Autonomous Prefecture, on the Qinghai-Tibet plateau. Scores of monks and men heaved the enormous thangka -- an image of Buddha painted on silk, rolled up in a tight cylinder while in transit -- through the packed streets around Rongwo Monastery in China's northwestern province of Qinghai for a religious ritual wrapping up Losar, the Tibetan new year. / JOHANNES EISELE/AFP/Getty Images

This picture taken on March 1, 2018 shows Tibetan Buddhist monks carrying a giant thangka for the unveiling ceremony during Monlam, otherwise known as the Great Prayer Festival of Losar, the Tibetan New Year, at the Rongwo Monastery, in Tongren County, Huangnan Tibetan Autonomous Prefecture, on the Qinghai-Tibet plateau. Scores of monks and men heaved the enormous thangka -- an image of Buddha painted on silk, rolled up in a tight cylinder while in transit -- through the packed streets around Rongwo Monastery in China's northwestern province of Qinghai for a religious ritual wrapping up Losar, the Tibetan new year. / JOHANNES EISELE/AFP/Getty Images

France's Kevin Mayer lies on the track after taking gold in the men's heptathlon event at the 2018 IAAF World Indoor Athletics Championships at the Arena in Birmingham on March 3, 2018. / BEN STANSALL/AFP/Getty Images

People hold Spanish flags during a pro-unity rally organized by the Tabarnia movement, a fictional region that wants independence from Catalonia, on March 04, 2018 in Barcelona. /JOSEP LAGO/AFP/Getty Images

A supporter of Sierra Leone's All People's Congress (APC) presidential candidate Samura Kamara gestures during a campaign rally on March 3, 2018, in Kambia, ahead of the country's general election.Sierra Leone goes to the polls on March 7 for a general election that will select a new president, parliament and local councils. /ISSOUF SANOGO/AFP/Getty Images

US President Donald Trump and First Lady Melania Trump walk off Air Force One at Andrews Air Force Base, Maryland, on March 3, 2018. / JIM WATSON/AFP/Getty Images

A handout picture released by the official Syrian Arab News Agency (SANA) on March 4, 2018 shows a general view of the destruction in the town of Al-Nashabiyah in the besieged Eastern Ghouta region outside Syria's capital Damascus. The Syrian regime has regained control of 10 percent of the rebel enclave in eastern Ghouta, the Syrian Observatory for Human Rights said, taking over areas of the towns of Nashabiye and Hazarma, south-east of the rebel stronghold.

Smoke billows following Syrian government bombardments on the besieged rebel-held town of Hamouria in the eastern Ghouta region on the outskirts of the capital Damascus on March 3, 2018. Government forces intensified fighting inside Syria's Eastern Ghouta, as tens of thousands of civilians in the besieged rebel enclave east of Damascus awaited urgently needed aid. / ABDULMONAM EASSA/AFP/Getty Images

An injured Syrian man covered in dust lies on a bed awaiting medical attention at a makeshift hospital in the rebel-held town of Douma, in the besieged Eastern Ghouta region on the outskirts of the capital Damascus, following reported regime bombardment on March 3, 2018. / HAMZA AL-AJWEH/AFP/Getty Images

A bandaged Syrian child sits on a bed next to another child after receiving medical attention at a makeshift hospital in the rebel-held town of Douma, in the besieged Eastern Ghouta region on the outskirts of the capital Damascus, following reported regime bombardment on March 3, 2018. / HAMZA AL-AJWEH/AFP/Getty Images

A Syrian civil defence volunteer carries children as he helps them try to flee their homes in the town of Hamouria in Syria's besieged eastern Ghouta region on March 4, 2018, following reported air strikes. Syria's regime seized control of over a quarter of rebel-held Eastern Ghouta on the edge of Damascus after two weeks of devastating bombardment, sending hundreds of civilians into flight, the Syrian Observatory for Human Rights said./ABDULMONAM EASSA/AFP/Getty Images

Syrians flee their homes with their belongings in the town of Beit Sawa in Syria's besieged eastern Ghouta region on March 4, 2018, following reported air strikes.Syria's regime seized control of over a quarter of rebel-held Eastern Ghouta on the edge of Damascus after two weeks of devastating bombardment, sending hundreds of civilians into flight, the Syrian Observatory for Human Rights said. / ABDULMONAM EASSA/AFP/Getty Images

A fisherman works in his boat amid a sea tangle farm in Huangqi village, near Lianjiang in Fujian province on March 4, 2018. / JOHANNES EISELE/AFP/Getty Images

A picture taken on March 4, 2018 shows a jelly-fish swimming off the shore of the town of Qalamoun, south of the northern Lebanese city of Tripoli. /IBRAHIM CHALHOUB/AFP/Getty Images

People walk across Filoppapou Hill during sunset on March 4, 2018 in Athens. The temperature in Athens has reached some 20 C degrees despite a recent European cold blast. / LOUISA GOULIAMAKI/AFP/Getty Images