Rising sea levels due to global heating are affecting gondolas in Venice: [ they have trouble getting under the old bridges ]( http://www.theguardian.com/world/2014/oct/21/venice-gondola-rising-waters-iron-ornament-stern-risso ) . By and by, Venice will have to be dammed off from the Adriatic Sea, and water pumped out of the lagoon all the time.
Ссылка: https://stallman.org/archives/2014-jul-oct.html#23_October_2014_%28Rising_sea_levels_in_Venice%29