I hope we would get dams, aqueducts, canals and bridges across seas in Civ7 as either districts or buildings. And some wonders as well, there is a lot of impressive bridges, canals and dams. Really liked Panama Canal in Civ6, and I hope we could get it again. I've rarely used one-tile bridge wonder in Civ6, but if we could get a multi-tile bridge wonder, like Panama Canal that could take 1, 2 or 3 tiles, it would become much more useful. There is a lot of long bridges in the world, for example, Øresund.