claim: Coins of the Swiss franc are used only outside of Liechtenstein.
evidence: De syv søstre -LRB- The Seven Sisters -RRB- is a mountain range on the island of Alsten in Norway .. mountain range. mountain range. Alsten. Alsten. Norway. Norway. The seven peaks are -LRB- northeast to southwest -RRB-  :. Botnkrona -LRB- 1,072 m -RRB-. Botnkrona. Botnkrona. Grytfoten -LRB- 1,019 m -RRB-. Grytfoten. Grytfoten. Skjæringen -LRB- 1,037 m -RRB-. Skjæringen. Skjæringen. Tvillingene -LRB- `` the twins '' -RRB- -LRB- 945 m and 980 m -RRB-. Tvillingene. Tvillingene. Kvasstinden -LRB- 1,010 m -RRB-. Kvasstinden. Kvasstinden ( De syv søstre ). Breitinden -LRB- 910 m -RRB-. Breitinden. Breitinden. The range is popular with hikers and offers scenic views over the surrounding area .. On clear days visitors can truly understand why the surroundings are called `` The kingdom of the thousand isles '' by the local populace .. All the peaks can be climbed using marked paths , and on every summit there is a notebook where visitors can write their name .. After visiting all peaks , hikers can contact the local tourist association which will issue a certificate as a testimonial of their achievement .. There is no time-limit for climbing all the peaks .. The record for the quickest visit to all peaks is under 4 hours .. A good view of the mountain range can be achieved traveling by sea in the `` Hurtigruten '' , as it passes the full length of the range .. mountain range. mountain range. Hurtigruten. Hurtigruten