Surrounded by the Aare, which gives protection from the enemies and serves as a water and fish supply
Towers were built on highground to ensure easy and earlyspotting of the enemies
Guild: Organisation of Artisans / Craftsmen who banded together to regulate trade, protect their economic interests, and maintain highstandards of quality in their craft.
In Bern, most guild houses and symbols are still on publicdisplay on the streets. The guilds themselves are official "Vereine" now, that don't serve the same purpose as they did back in the middle ages.
Unlike guilds in other regions, those in Bern were closelyintegrated in political, social, and even militarymatters.