the.com/cupola
the architectural crown that lets buildings exhale and watchmen see the world coming
originFrom Latin cupula, meaning little cask or cup
functionVents heat and light through a building's highest point
naval useTanks wear armored cupolas as commander viewing turrets
space stationISS Cupola gives astronauts a seven-window Earth view
smeltingCupola furnaces melt iron in foundries worldwide