Hidden in the depths beneath the Swedish capital lies, "the world's longest art gallery", the Stockholm metro. The tunnelbana (tunnel rail) system is 110 km (65 miles) long and has 100 stations. More than 90 of these stations are decorated with...
Hidden in the depths beneath the Swedish capital lies, "the world's longest art gallery", the Stockholm metro. The tunnelbana (tunnel rail) system is 110 km (65 miles) long and has 100...