Lauren Frayer

Stepping off the train in Crawley, 30 miles south of London, you hear less English and more Romanian, Estonian, Portuguese and Polish.

Crawley is an affordable place to live, if less scenic than some other English towns. Other than a medieval church and old stagecoach inn, most of Crawley was built after World War II, to house people displaced by bombing in London. More recently, many immigrants have settled here and work at Gatwick Airport nearby.

Brexit has many of them worried. It's still unclear how many people from the European Union will be allowed to stay.

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DAVID GREENE, HOST:

Outside a London pub on a sunny afternoon, pints of beer in hand, Brittney Cornwell and Amy Hussey are gabbing about their love lives.

They're in their early 20s and work together at a bank around the corner. They say one thing seems to come up more than ever on dates these days: Brexit.

"You can't avoid it," Hussey says. "It's always a topic!"

Tourists flood the area of Madrid's "Museum Mile" — a stretch of the huge, eight-lane Paseo del Prado thoroughfare that's home to Spain's most renowned art museums. It's smoggy and crowded with all the traffic.

At the CaixaForum, an arts foundation, people pause. It's what's on the outside of this museum, rather than what's inside, that's halted them: a giant vertical garden with more than 15,000 plants from 300 native species — begonias, yucca plants, ferns — coating an entire outer wall stretching the length of a city block.

Wild horses and cattle graze on the marshy banks of southern Spain's mighty Guadalquivir River.

From the mouth of this river, Christopher Columbus set off for the New World.

But since then, the river has gotten more salty. As fresh water is extracted for agriculture, drought — made more frequent by climate change — means less rainfall replaces it. Tides send salt water farther upriver.

Inside a cement building straddling part of the river, pumps suck 800 gallons out of the Guadalquivir per second — diverting it to irrigation canals.

Jeon Chung-won tends sheep on the hilly farm where he was born in PyeongChang, a rural county a few hours' drive east of South Korea's capital Seoul.

"It's a simple, peaceful place where the mountain air hugs you," says Jeon, 32. "I really love this place."

Only a handful of domestic tourists typically come to PyeongChang, to hike green hills dotted with Buddhist temples or visit a small ski station nearby. But that is about to change.

Hidden in green hills east of South Korea's capital is the House of Sharing, a nursing home for elderly women.

It's a bright, spacious place. But its residents are survivors of a dark chapter of history.

"It was 1942 and I was only 15, running an errand for my parents [in our Korean hometown of Busan], when two Japanese men in uniform grabbed me by the arms and dragged me away," recalls Lee Ok-seon, now age 90. "That's how I became enslaved."

She was sent to work in a brothel in a Japanese-occupied area of northeast China.

Watching footage of April's military parades in North Korea — with soldiers marching in formation to patriotic tunes — Lee So-yeon recalls all the steps. She was once one of those soldiers.

The daughter of a university professor, Lee, now 41, grew up in North Korea's North Hamgyong province. But when famine devastated the country in the 1990s, women — including Lee — volunteered for the military in droves, often for the food rations.

A liberal human rights lawyer born to North Korean refugees has won South Korea's presidential election with a promise to improve the economy and hold talks with the nuclear-armed North.

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