Design publication Metropolis recently released its list of the world's most livable cities , using a formula that combined feedback from a panel of experts, as well as a variety of factors that make any urban area more appealing, "the sum of the housing, amenities, connectivity, and in a word, pleasures a city has to offer." The rankings included a bulletproof top three of Toronto, Tokyo, and Helsinki, as well as cities that are excelling by particular metrics and up-and-coming metropolitan areas to watch.