Ключевые слова: america, american, apf, astronomical, astronomy, bay, blue, buildings, california, cars, colorful, complex, day, dome, frost, frozen, hamilton, hills, houses, landscape, lick, mount, mountain, mt, new, observatory, outside, peak, people, research, residences, road, san francisco, san jose, science, scientific, shane, sky, snow, snowy, structure, summit, technology, telescope, trees, united states, university, usa, visit, winter,