Decommissioned Caltech Submillimeter Observatory atop Mauna Kea with view to Mauna Loa, Island of Hawaii, Hawaii, United States of America

astronomy blue blue sky caltech submillimeter observatory color image decommissioned dusk hawaii hawaiian islands horizontal island of hawaii landscape local landmark mauna kea mauna loa mountain no people non urban scene observatory outdoors shadow snow structure summit sunset tourism tourist attraction travel destinations volcano silhoutte big island california institute of technology dawn landscapes local landmarks mountains no one nobody observatories outside shadows snowy structures sunrise tourist attractions travel destination volcanoes silhouettes silhouetted