park - n. a piece of public land in or near a city that is kept free of houses and other buildings and can be used for pleasure and exercise

cliff - n. a high, steep surface of rock, earth, or ice

shield - n. a large piece of metal, wood, etc., carried by someone (such as a soldier or police officer) for protection

pueblo - n. group of Native American homes that have flat roofs and that were used in the past in the southwestern U.S.

unfortunate - adj. having bad luck