arch stock 2

A generic stock photo of a half-pounder burger and chips in a takeaway carton.

A generic stock photo of a half-pounder burger and chips in a takeaway carton.

A generic stock photo of a half-pounder burger and chips in a takeaway carton.

A generic stock photo of a half-pounder burger and chips in a takeaway carton.

A generic stock photo of a half-pounder burger and chips in a takeaway carton.

Three men look at blue icebergs in Jokulsarlon, the largest glacier lagoon in Iceland, on July 8, 2014. AFP PHOTO / JOEL SAGET

A picture taken on July 8, 2014 shows blue icebergs in Jokulsarlon, the largest glacier lagoon in Iceland. AFP PHOTO / JOEL SAGET

A man takes a picture of blue icebergs in Jokulsarlon, the largest glacier lagoon in Iceland, on July 8, 2014. AFP PHOTO / JOEL SAGET

A picture taken on July 8, 2014 shows blue icebergs in Jokulsarlon, the largest glacier lagoon in Iceland. AFP PHOTO / JOEL SAGET

A picture taken on July 8, 2014 shows blue icebergs in Jokulsarlon, the largest glacier lagoon in Iceland. AFP PHOTO / JOEL SAGET

A picture taken on July 8, 2014 shows blue icebergs in Jokulsarlon, the largest glacier lagoon in Iceland. AFP PHOTO / JOEL SAGET

A picture taken on July 8, 2014 shows blue icebergs in Jokulsarlon, the largest glacier lagoon in Iceland. AFP PHOTO / JOEL SAGET

A picture taken on July 8, 2014 shows blue icebergs in Jokulsarlon, the largest glacier lagoon in Iceland. AFP PHOTO / JOEL SAGET

A picture taken on July 8, 2014 shows blue icebergs in Jokulsarlon, the largest glacier lagoon in Iceland. AFP PHOTO / JOEL SAGET

A man sits on a rock near blue icebergs in Jokulsarlon, the largest glacier lagoon in Iceland, on July 8, 2014. AFP PHOTO / JOEL SAGET

A picture taken on July 8, 2014 shows blue icebergs in Jokulsarlon, the largest glacier lagoon in Iceland. AFP PHOTO / JOEL SAGET

An amphibious vehicle carrying tourists passes blue icebergs in Jokulsarlon, the largest glacier lagoon in Iceland, on July 8, 2014. AFP PHOTO / JOEL...

A picture taken on July 8, 2014 shows the Vatnajokull in southeast Iceland, one of the largest glaciers in Europe covering an area of 8,400 km2. AFP P...

A picture taken on July 8, 2014 shows the Vatnajokull in southeast Iceland, one of the largest glaciers in Europe covering an area of 8,400 km2. AFP P...

A picture taken on July 8, 2014 shows the Vatnajokull in southeast Iceland, one of the largest glaciers in Europe covering an area of 8,400 km2. AFP P...

A picture taken on July 8, 2014 shows the Vatnajokull in southeast Iceland, one of the largest glaciers in Europe covering an area of 8,400 km2. AFP P...

A picture taken on July 8, 2014 shows the rhyolite mountains in the Landmannalaugar region, a protected area in the southern part of Iceland's highlan...

A picture taken on July 8, 2014 shows the rhyolite mountains in the Landmannalaugar region, a protected area in the southern part of Iceland's highlan...

View of the church in Vik, the southernmost village in Iceland, on July 7, 2014. AFP PHOTO / JOEL SAGET

Two men walk on the black sand beach of Vik, with a view on the basalt sea stacks called Reynisdrangar, south Iceland on July 7, 2014. AFP PHOTO / JOE...

A picture taken on July 7, 2014 shows the Laufskalavarda, a lava ridge surrounded by storm cairns in southern Iceland some 100km east of Hvolsv?llur....

Two tourists stand atop the Laufskalavarda, a lava ridge surrounded by storm cairns in southern Iceland some 100km east of Hvolsv?llur, on July 7, 201...

Bichon havanese puppy and white canvas background, age seven week JH KUVA / LEHTIKUVA / Jari Hindstr?m *** FINLAND OUT. NO THIRD PARTY SALES. ***

Working english springer spaniel puppy, six month old, studio shot black and white image JH KUVA / LEHTIKUVA / Jari Hindstr?m *** FINLAND OUT. NO THIR...

Working english springer spaniel puppy, six month old, studio shot JH KUVA / LEHTIKUVA / Jari Hindstr?m *** FINLAND OUT. NO THIRD PARTY SALES. ***

(CHINA OUT) Only for use outside China. Do not use for sale or exhibit in China. Prague Czech: the view of Prague city, Czech. (Photo by LIU Jie/Sipa...

(CHINA OUT) Only for use outside China. Do not use for sale or exhibit in China. Prague Czech: the view of Prague city, Czech. (Photo by LIU Jie/Sipa...

(CHINA OUT) Only for use outside China. Do not use for sale or exhibit in China. Prague Czech: the view of Prague city, Czech. (Photo by LIU Jie/Sipa...

(CHINA OUT) Only for use outside China. Do not use for sale or exhibit in China. Prague Czech: the view of Prague city, Czech. (Photo by LIU Jie/Sipa...

(CHINA OUT) Only for use outside China. Do not use for sale or exhibit in China. Prague Czech: the view of Prague city, Czech. (Photo by LIU Jie/Sipa...

(CHINA OUT) Only for use outside China. Do not use for sale or exhibit in China. Prague Czech: the view of Prague city, Czech. (Photo by LIU Jie/Sipa...

(CHINA OUT) Only for use outside China. Do not use for sale or exhibit in China. Prague Czech: the view of Prague city, Czech. (Photo by LIU Jie/Sipa...

(CHINA OUT) Only for use outside China. Do not use for sale or exhibit in China. Prague Czech: the view of Prague city, Czech. (Photo by LIU Jie/Sipa...

(CHINA OUT) Only for use outside China. Do not use for sale or exhibit in China. Prague Czech: the view of Prague city, Czech. (Photo by LIU Jie/Sipa...

(CHINA OUT) Only for use outside China. Do not use for sale or exhibit in China. Prague Czech: the view of Prague city, Czech. (Photo by LIU Jie/Sipa...

(CHINA OUT) Only for use outside China. Do not use for sale or exhibit in China. Prague Czech: the view of Prague city, Czech. (Photo by LIU Jie/Sipa...

(CHINA OUT) Only for use outside China. Do not use for sale or exhibit in China. Prague Czech: the view of Prague city, Czech. (Photo by LIU Jie/Sipa...

(CHINA OUT) Only for use outside China. Do not use for sale or exhibit in China. Prague Czech: the view of Prague city, Czech. (Photo by LIU Jie/Sipa...

(CHINA OUT) Only for use outside China. Do not use for sale or exhibit in China. Prague Czech: the view of Prague city, Czech. (Photo by LIU Jie/Sipa...

(CHINA OUT) Only for use outside China. Do not use for sale or exhibit in China. Prague Czech: the view of Prague city, Czech. (Photo by LIU Jie/Sipa...

(CHINA OUT) Only for use outside China. Do not use for sale or exhibit in China. Prague Czech: the view of Prague city, Czech. (Photo by LIU Jie/Sipa...

(CHINA OUT) Only for use outside China. Do not use for sale or exhibit in China. Prague Czech: the view of Prague city, Czech. (Photo by LIU Jie/Sipa...

(CHINA OUT) Only for use outside China. Do not use for sale or exhibit in China. KRAKOW POLAND JULY 2: the view of Krakow, Poland. (Photo by LIU Jie/S...

(CHINA OUT) Only for use outside China. Do not use for sale or exhibit in China. KRAKOW POLAND JULY 2: the view of Krakow, Poland. (Photo by LIU Jie/S...

(CHINA OUT) Only for use outside China. Do not use for sale or exhibit in China. KRAKOW POLAND JULY 2: the view of Krakow, Poland. (Photo by LIU Jie/S...