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. »

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