A ship gets ready to enter the River Tyne at sunset on July 28, 2014. (Photo by Owen Humphreys/PA Wire)

The Red Arrows display team perform a fly past to officially open the 2014 Farnborough International Airshow in Farnborough, southern England July 14, 2014. (Photo by Kieran Doherty/Reuters)

A ferry leaves Jersey City, New Jersey as it heads across the Hudson River towards lower Manhattan and New York City as a heavy thunderstorm passes over the area July 15, 2014. According to local reports severe thunderstorm and flash flooding warnings were issued for a second straight day as a powerful series of storms affected much of the northeast U.S. (Photo by Mike Segar/Reuters)

Volunteers wade across the lagoon at dawn to gather flamingo chicks and place them inside a corral at the Fuente de Piedra natural reserve, near Malaga, southern Spain, July 19, 2014. Around 600 flamingos were tagged and measured before being placed in the lagoon, one of the largest colonies of flamingos in Europe, according to authorities of the natural reserve. (Photo by Jon Nazca/Reuters)

The Miami skyline is pictured from a causeway on a rainy day in Miami, July 21, 2014. (Photo by Carlo Allegri/Reuters)

A crystal bull seen on a roof top as moonsoon rainclouds loom in the background in Calcutta, Eastern India on July 26, 2014. The summer monsoon season in India usually begins in the months of June and July and lasts until October. (Photo by Piyal Adhikary/EPA)

Under thick clouds, a person walks along the levee in Alton, Illinois, on Jule 25, 2014. (Photo by John Badman/The Telegraph)

Wind Turbines at Blyth in Northumberland at sunset on July 28, 2014. (Photo by Owen Humphreys/PA Wire)

A storm passes by as an amateur photographer captures gigantic waves crashing into Mornington Harbour in Melbourne, Australia, on Jule 31, 2014. (Photo by Michael Dodge/Getty Images)

A U.S. helicopter flies during clashes between Taliban fighters and Afghan government forces in Kabul, Afghanistan, Thursday, July 17, 2014. Gunmen launched a pre-dawn attack on the Kabul International Airport in the Afghan capital on Thursday, raining down rockets, setting off a gunbattle with security forces and forcing the airport to close for hours, officials said. The militants occupied two buildings which were under construction some 700 meters (yards) north of the facility, and were using them as a base to direct rockets and gunfire toward the airport and international jet fighters flying over Kabul, said Afghan army Gen. Afzal Aman. (Photo by Massoud Hossaini/AP Photo)

An approaching storm looms over the French riviera city of Nice, southeastern France, on July 29, 2014. (Photo by Valery Hache/AFP Photo)

A boat commutes across the Mekong river in Phnom Penh on August 8, 2014. The Mekong is the world's twelth longest river running from the Tibetan Plateau through China's Yunnan province, Myanmar, Laos, Thailand, Cambodia and Vietnam. (Photo by Tang Chhin Sothy/AFP Photo)

A DC-10 air tanker is dwarfed by the tip of a rising smoke cloud as the plane prepares to drop fire retardant over a wildfire near Carlton, Washington, on July 19, 2014. A wind-driven, lightning-caused wildfire racing through rural north-central Washington destroyed about 100 homes Thursday and Friday, leaving behind solitary brick chimneys and burned-out automobiles as it blackened hundreds of square miles in the scenic Methow Valley northeast of Seattle. (Photo by Elaine Thompson/AP Photo)

A ship gets ready to enter the River Tyne at sunset on July 28, 2014. (Photo by Owen Humphreys/PA Wire)

Dawn beaks over fishing boats on the beach in Dungeness, Kent, on July 16, 2014 ahead of a day of predicted fine weather. (Photo by Gareth Fuller/PA Wire)

Clouds gather over the Bosphorus behind a Turkish flag during a storm on August 7, 2014, in Istanbul. (Photo by Ozan Kose/AFP Photo)