The city was originally built on a hilly peninsula surrounded by the River Aare, but outgrew natural boundaries by the 19th century. A number of bridges have been built to allow the city to expand beyond the Aare.
బెర్న్ ఏ శతాబ్దంలో ఆ ద్వీపకల్పాన్ని అధిగమించాడు?
19th century