Sentences with 'observatories'
Example sentences and phrases with the word observatories and other words derived from it.
• « In Japan, 19 of its 83 active volcanoes have local observatories to alert neighbouring populations in case of abnormal phenomena. »
• « Surrounded by farms that depended on primitive agriculture, they built the city-states of Copan, Tikal and Chichen Itza along their main trade routes, as well as temples, statues of gods, pyramids and astronomical observatories. »