sentence: Big buildings require much work to make, thus can symbolise power.
sentences_before: But we also design some buildings for a very different reason. We build churches where a large number of people can gather to worship god or listen to what other people have to say. Until we began to build skyscrapers, churches were always the very largest, tallest buildings of all, except for castles. The biggest churches of all, cathedrals, are even bigger than most castles.
sentences_after: They impress and they give a focus to cities.
concept_name: big building
headings: Building
categories: Civil engineering