Alpine bush on Pu'u 'Ula'ula Summit Alpine bush on Pu'u 'Ula'ula Summit, overlooking the crater, or caldera, of the extinct volcano, Haleakala National Park, Maui, Hawaii. alpine bush; pu'u 'ula'ula summit; crater; caldera; extinct volcano; haleakala national park; maui; hawaii; craters Bible Hub |