Apple Valley, Calif.
Ariana Drehsler for The New York Times
Ghaemshahr, Iran
Ebrahim Noroozi/Associated Press
Erie, Pa.
Christopher Millette/Erie Times-News, via AP
Uramba Bahía Málaga National Natural Park, Colombia
Luis Robayo/AFP — Getty Images
Ciudad Nezahualcoyótl, Mexcio
Pedro Pardo/AFP — Getty Images
Edinburg, Texas
Delcia Lopez/The Monitor, via AP
Sydney, Australia
Steven Saphore/AFP — Getty Images
Prague
Martin Divisek/EPA, via Shutterstock
Los Angeles
Jae C. Hong/Associated Press
Hong Kong
Anthony Wallace/AFP — Getty Images