How the French family behind Club Med is reimagining urban hotels with Mama Shelter

The French family behind Club Med, the ubiquitous all-inclusive vacation resorts, has a growing hospitality venture that doesn't involve ski slopes or seashores, but rather cityscapes and skylines.Welcome to Mama Shelter, a chain of budget boutique hotels that borrows some of what worked on snow and sand and applied it to hipster havens in eight cities--four in France, Los Angeles, Rio de Janeiro, and, most recently, Belgrade and Prague.