Neighbors gather in Corvallis, Oregon, to watch a growing blaze, on September 5, 2014. Firefighters battled a fast-moving brush fire estimated at about 100 acres near Chip Ross Park and the Timberhill neighborhood in north Corvallis. (Photo by Jesse Skoubo/The Corvallis Gazette-Times)

A Palestinian Bedouin youth leads a herd of sheep in the West Bank village of Deir Gazaleh near Jenin, in the early morning, Saturday, September 20, 2014. (Photo by Mohammed Ballas/AP Photo)

A bird sits on the branch of a tree silhouetted against the rising sun near Sehnde, Germany, September 18, 2014, in this deliberately underexposed picture. Indian summer, or Altweibersommer (old womens summer) in German, is a weather phenomenon which often brings sunny weather between mid-September and the start of October in parts of central Europe. (Photo by Julian Stratenschulte/EPA)

Shiv Kapur of India hits a shot on the driving range during Day 2 of the KLM Open held at De Kennemer Golf and Country Club on September 12, 2014 in Zandvoort, Netherlands. (Photo by Dean Mouhtaropoulos/Getty Images)

A man crosses 6th Avenue as the sun sets in New York September 3, 2014. (Photo by Lucas Jackson/Reuters)

A horse grazes on a meadow near Hannover, Germany, on September 16, 2014. (Photo by Julian Stratenschulte/AP Photo)

Free Syrian Army fighters carry their weapons on one of the frontlines of Wadi Al-Dayf camp in the southern Idlib countryside September 5, 2014. (Photo by Khalil Ashawi/Reuters)

Pedestrians walk through a medieval arcade near Prague Old Town Square in central Prague, Czech Republic, 16 September 2014. Meteorologist predict cloudy weather with temperatures dropping to between 20 and 22 degrees Celsius within the next days. (Photo by Filip Singer/EPA)

A Palestinian uses a slingshot to hurl a stone towards Israeli troops during clashes at a protest against the Jewish settlement of Ofra, in the West Bank village of Silwad, near Ramallah September 19, 2014. (Photo by Mohamad Torokman/Reuters)

Sunset over Manhattan is seen from the USTA Billie Jean King National Tennis Center in Queens, on September 1, 2014. (Photo by Julian Finney/Getty Images)

Girls wearing tiaras walk on the Atlantic City boardwalk before the start of the Miss America 2015 pageant, in Atlantic City, N.J., on September 14, 2014. (Photo by Julio Cortez/Associated Press)

Birds fly while the sun sets Sunday, September 7, 2014, in Philadelphia. (Photo by Matt Slocum/AP Photo)

The silhouette of a cat walking on top of a fence stands out against the sky during sunrise near Sehnde, Germany, 16 September 2014. Indian summer, or Altweibersommer (old womens summer) in German, is a weather phenomenon which often brings sunny weather between mid-September and the start of October in parts of central Europe. (Photo by Julian Stratenschulte/EPA)

An airplane passes the moon as it makes its approach to Philadelphia International Airport, Sunday, September 7, 2014, in Philadelphia. (Photo by Matt Rourke/AP Photo)