Worker Javier Alcantar tends to crops at the Monsanto Co. test field in Woodland, Calif., in 2012. Noah Berger/Bloomberg via Getty Images hide caption

Supporters of Republican presidential candidate Donald Trump shout at the media prior to a rally at the Charleston Civic Center on May 5 in Charleston, W.Va. Mark Lyons/Getty Images hide caption

Donald Trump greets supporters after a campaign in Wilkes-Barre, Pa., last month. Mel Evans/AP hide caption

Jehovah's Witnesses sing songs during a meeting in Rostov-on-Don, Russia, in November 2015. The country's top prosecutor is threatening a nationwide ban for alleged "extremism." Alexander Aksakov/The Washington Post/Getty Images hide caption

Hillary Clinton, then secretary of state, greets troops in Kabul, Afghanistan, in 2012. She logged nearly a million miles visiting 112 countries in that position. Brendan Smialowski/AP hide caption

A man in Mount Airy, Md., shakes Suboxone pills from a bottle in late March. Ricky Carioti/The Washington Post/Getty Images hide caption

Children of Bodom is one of the many bands in Finland's vibrant — and unique — heavy metal scene. David A. Smith/Getty Images hide caption

The Chinese company Fuling Plastic set up a plant in Allentown, Pa., last year. The company, which makes straws and other plastic products, supplies fast food chains. Chinese companies are expected to invest about $30 billion in the U.S. this year, doubling the record set last year. Jackie Northam/NPR hide caption

The mayor of Coral Gables, Fla., worries that the continued rise in sea levels could sink the property values of waterfront neighborhoods. PictureWendy/Flickr hide caption

A voter enters a polling place on May 3 in Whiting, Ind. Older voters feel that the issues that concern them haven't been mentioned enough on the campaign trail. Scott Olson/Getty Images hide caption