Flamingos are seen in a nature reserve park in Panyu district south of Guangzhou, Guangdong province, in this November 30, 2014 file photo.
An e-cigarette sits in a tray on the bar at the Henley Vaporium in New York City December 18, 2013.
A trader points up at a display of Aetna on the floor of the New York Stock Exchange August 20, 2012.
A nurse holds a syringe containing an experimental Ebola virus vaccine during a media visit at the Lausanne University Hospital (CHUV) in Lausanne November 4, 2014.
The Apple logo is illuminated in red at the Apple Store on 5th Avenue to mark World AIDS Day, in the Manhattan borough of New York December 1, 2014.
A Google search page is reflected in sunglasses in this photo illustration taken in Brussels May 30, 2014.
A pedestrian crosses the idle California Street cable car line in San Francisco, California December 11, 2014.
A beach in the Azores is pictured littered with plastic garbage, in this undated handout photo obtained by Reuters on December 9, 2014.
