Boutique, Paris

Photograph by Catherine Karnow

On Paris’s Right Bank, well-heeled patrons flock to trendy boutiques like this one, La Petite Robe Noire, where renowned designer Didier Ludot sticks to the most classic of fashion fundamentals: perfect, stylish little black dresses.

(For more pictures of the amazing colors of our world, buy the National Geographic book Life in Color.)