Valley

The sun rises as fog covers the Inntal valley in the western Austrian village of Grinzens, Austria September

Dominic Ebenbichler/Reuters

The sun rises as fog covers the Inntal valley in the western Austrian village of Grinzens, Austria 

An Egyptian policeman stands guard in the Valley of Kings in Luxor, Egypt on Thursday. Despite ongoing security concerns in the north African country, tourists are still visiting Egypt's main attractions such as Luxor and the Red Sea

Oliver Weiken/EPA

An Egyptian policeman stands guard in the Valley of the Kings in Luxor, Egypt on Thursday. Despite ongoing security concerns in the north African country, tourists are still visiting Egypt’s main attractions such as Luxor and the Red Sea

A woman does acrobatics as she waits for a band to start playing at the Coachella Valley Music and Arts Festival in Indio, California

Lucy Nicholson/Reuters

A woman does acrobatics as she waits for a band to start playing at the Coachella Valley Music and Arts Festival in Indio, California.

Fog rises from the valley and the church...Fog rises from the valley and the church of Marktoberdorf, southern Germany, as in background can be seen an Alps panorama on January 19, 2014.       AFP PHOTO / DPA / KARL-JOSEF HILDENBRAND / GERMANY OUTKARL-JOSEF HILDENBRAND/AFP/Getty Images

Josef Hildenbrand/AFP

Fog rises from the valley around the church of Marktoberdorf, southern Germany.