These Ocean Landmarks Were Actually Built By Ancient Civilizations
"those / these" are determiners and are used before nouns to refer to a particular group of things / people, e.g. these people / those rules / those buildings. Update: ้ขไธป้ฎ็ๆฏWhat are those? ็ถๅไป.
๎Ancient๎ American ๎Civilizations๎
