Mårten Trotzigs Gränd (Alley of Mårten Trotzig), the narrowest street in Stockholm & Prästgatan

Walking in Mårten Trotzigs Gränd (Alley of Mårten Trotzig), the narrowest street in Stockholm and Prästgatan, which is also a very narrow and long street. Stockholm's Old Town has the largest medieval complex in Europe.