【焦点大图】夏日炎炎

在北半球的某些地方，夏天已经创下了最热的纪录，而在其他国家，今年最高气温还在后头。阳光使人们进行户外活动，在海滩消暑，爬上高山，或享受公园的喷泉。这里云集了一丛2013年夏季的图像，从阿拉斯加到乌克兰，埃及，死谷，等等。

Hot Summer Days

In some parts of the northern hemisphere, the hottest days of summer have already set records this year, in others, the highest temperatures are yet to come. The sunshine brings people outdoors, to cool off at the beach, on a high mountain peak, or in a park fountain. Gathered here are a handful of images of Summer 2013, from Alaska to Ukraine, Egypt, Death Valley, and more. [28 photos]

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On a hot summer day, a girl stands surrounded by the jets of a fountain on the South Bank in central London, on July 15, 2013.(Reuters/Andrew Winning)

Mike Bouse of Henderson, Nevada, shades himself with an umbrella as he floats in the waters along Boulder Beach at Lake Mead, on June 29, 2013 near Boulder City, Nevada. Bouse and his wife planned to spend most of the day in and out of the water to escape the heat in the Las Vegas area where the daytime high was expected to reach 117 degrees, the city’s all-time high. (AP Photo/Julie Jacobson)

A woman reads a book as she rests in a public garden on a sunny summer afternoon near the Eiffel Tower in Paris, on July 12, 2013.(Reuters/Gonzalo Fuentes)

Surfers ride waves at Shonan beach in Fujisawa city, west of Tokyo, on July 15, 2013. A heat wave continued throughout Japan as temperature sores to 35 degrees Celsius (95 degrees Fahrenheit) in the Tokyo metropolitan area. (AP Photo/Koji Sasahara)

Lightning from a tornadic thunderstorm passing over Clearwater, Kansas strikes at an open field, on May 19, 2013.(Reuters/Gene Blevins)

A hiker makes his way along the Mount Roberts Trail above Juneau, Alaska, on a sunny day, July 14, 2013. (AP Photo/Becky Bohrer)

A young boy cools off in the water from a playground sprinkler in Brooklyn, New York, on July 15, 2013. Temperatures are set to top out in the mid-90s degrees Fahrenheit (35 degrees Celsius) through Thursday in New York City, Philadelphia and Washington, D.C., with heat index values that measure humidity reaching into the upper-90s and low-100s F. (Reuters/Brendan McDermid)

A hotel guest rests in the pool of the Marina Bay Sands Skypark in front of the hazy skyline of Singapore June 17, 2013. The haze worsened on Monday with the Polluntant Standards Index (PSI) hitting 111 at 4pm, according to local media. (Reuters/Edgar Su)

A line of fire runs across the forest floor as a wildfire burns in Black Forest, Colorado, on June 12, 2013. Fire crews battled a wind-whipped wildfire that burned at least 80 homes near Colorado Springs, while another blaze shut one of the state’s top tourist attractions and forced the evacuation of more than 900 inmates from a prison. (Reuters/Rick Wilking)

A surfer jumps over the back of a wave at Fistral Beach in Newquay, England, on July 5, 2013. (Matt Cardy/Getty Images)

Children cool off in a fountain in a public park in Madrid, on June 22, 2013. (AP Photo/Andres Kudacki)

Fans cheer while waiting for British singer Rita Ora to perform during the Isle of MTV Malta concert in Floriana, outside Valletta, on June 26, 2013. (Reuters/Darrin Zammit Lupi)

Double amputee Chris Moon of the U.K. runs in the AdventurCORPS Badwater 135 ultra-marathon race on July 15, 2013 in Death Valley National Park, California. Billed as the toughest footrace in the world, the 36th annual Badwater 135 starts at Badwater Basin in Death Valley, 280 feet below sea level, where athletes begin a 135-mile non-stop run over three mountain ranges in extreme mid-summer desert heat to finish at 8,350 feet above sea level near Mount Whitney for a total cumulative vertical ascent of 13,000 feet.(David McNew/Getty Images)

Randy Kern (left) and John Rice dress as Star Wars characters for their own annual snapshot tradition near an unofficial thermometer at Furnace Creek Visitors Center reading of 131 degrees, believed by officials to be about three degree on the high side, as a heat wave spreads across the American West on June 30, 2013 in Death Valley National Park, California. Weather forecasters predicted high temperatures could reach 130 degrees in Death Valley, breaking the hottest-ever temperature for June of 128 degrees, set on June 29, 1994. It is also just four degrees shy of breaking the all-time world record of 134 degrees which occurred here 100 years ago on July 10, 2013. (David McNew/Getty Images)

Joe Zhoe waits for an ice cream cone with his daughter Joe Anne Zhoe in the Lower East Side neighborhood of New York City on June 25, 2013. (Andrew Burton/Getty Images)

A man cleans the balcony of a high-rise luxury residential apartment in the washed out background of the sea in Singapore’s central business district, on June 21, 2013. Haze from fires in Indonesia blanketing Singapore could persist for weeks or longer, Prime Minister Lee Hsien Loong said, as the smoke drove air quality to “hazardous” levels and disrupted business and travel in the region.(Reuters/Edgar Su)

Russia’s President Vladimir Putin, seen through the glass of C-Explorer 5 submersible after a dive to see the remains of the naval frigate “Oleg”, which sank in the 19th century, in the Gulf of Finland in the Baltic Sea, on July 15, 2013.(Reuters/Aleksey Nikolskyi/RIA Novosti/Kremlin)

The Sagrada Familia cathedral in the background as an unidentified diver practices ahead of the FINA World Championships in Barcelona, Spain, on July 15, 2013. (AP Photo/Manu Fernandez)

Jai, a tiger at the Phoenix Zoo, breaks apart frozen trout while sitting in his pool to keep cool, on June 28, 2013 in Phoenix.(AP Photo/Matt York)

A young girl is silhouetted is she dances in the spraying waters of Salmon Street Springs fountain on a hot day in Portland, Oregon, on June 28, 2013.(AP Photo/Don Ryan)

Crowds fill the beach near Brighton Pier during the hot, sunny weather in Brighton Southern England, on July 7, 2013.(Reuters/Luke MacGregor)

A couple relax in the hot sunny weather as deer pass in Richmond Park in southwest London, on July 13, 2013.(Reuters/Luke MacGregor)

A woman swims during an Independence Day party at Union Beach, New Jersey, on July 3, 2013. (Reuters/Eric Thayer)

A Ukrainian woman smiles as she participates in the celebration of the traditional Ivana Kupala (Ivan the Bather) holiday near Kiev, on July 6, 2013. The ancient tradition, originating from pagan times, is usually marked in Ukraine with grand overnight festivities. During the Ivana Kupala, people jump over burning campfires and bathe in a lake or a river, as they believe it will purge them of their sins and make them healthier. (Reuters/Gleb Garanich)

Boys run in the river Nile on the outskirts of Cairo, Egypt, on May 6, 2013. (Reuters/Asmaa Waguih)

People walk through an area of Death Valley known as the Devils Golf Course in 116-degree and rising temperatures as a heat wave spreads across the American West on June 30, 2013 in Death Valley National Park, California. (David McNew/Getty Images)

In Seattle, kite fliers work to keep their craft airborne under blue skies, in view of the Space Needle atop Kite Hill in Gas Works Park Wednesday, on July 3, 2013. (AP Photo/Elaine Thompson)

A man watches fireworks as he takes a bath in the Mediterranean Sea on San Juan’s night, which traditionally is the shortest night of the year, in the southern Spanish town of Malaga, early June 24, 2013. (Reuters/Jon Nazca)