the grand canyon is a kind of canyon
grand_canyon is in_arizona. grand_canyon_national_park_in_arizona is world_heritage_site. state_nickname_for_arizona is grand_canyon_state. grand_canyon_national_park is protected_area. canyon is valley. canyon is flow_terrain. member_of_undergrounds_canyons is canyon. grand_canyon is national_park. canyon is ravine. bryce_canyon is in_utah.