References
https://www.viziteurope.ru/switzerland/bern/
https://en.wikipedia.org/wiki/Bern
http://www.whes.ch/en/world-heritage/old-city-bern/?oid=1874&lang=en
https://tourismlandscapes.blogspot.ru/2015/03/bern-munster-tallest-collegiate-church.html
https://www.doatrip.de/en/switzerland/bern/bern/tierpark-daehlhoelzli.html
https://www.expedia.com/pictures/western-switzerland/bern.d6035269/attraction
http://swiss.devisu.ru/bern-transport.html
https://www.booking.com/city/ch/bern.ru.html
http://otzovik.com/reviews/gorod_bern_shveycariya/