Norimasa Onodera, manager of the Omoya Guesthouse and Onodera Farm, which serve dishes made with local mountain vegetables. He is crouching next to organic fertiliser. Tsuruoka, Yamagata Prefecture, Japan, April 10, 2016. The city of Tsuruoka in Yamagata Prefecture is famous for its sansai mountain vegetable cuisine. These foraged grasses, fungi and vegetables are also used by the mountain ascetics of the Shugendo religion.