China's Hui people, one of 56 classified ethnic groups in the country, are Muslims who descended from Arab and Persian Silk Road traders several centuries ago. Today, the Hui are largely indistinguishable from Han Chinese in appearance and language, though still retain cultural practices related to Islam. Although Hui people are scattered throughout the country, the heaviest concentrations remain in the center and northwest of the country.
Colorado is now well into its first year as the first state to legalize recreational marijuana. How's it going? James Hamblin visits Aspen.