An curved arrow pointing right. At a staggering 4,086 square miles, Bolivia's Salar de Uyuni is the biggest salt flat in the world. During the rainy season, it essentially turns into a giant mirror.

FUKUTSU, Fukuoka Prefecture--This coastal city is trying to woo tourists in Japan and beyond by pitching its version of Bolivia's ... which evokes the image of the Uyuni Salt Flats, came to ...