The Wieliczka salt mine, excavated from the 13th century, produced table salt continuously until 2007, as one of the world's oldest operating salt mines. Today, it serves as a tourist attraction and is utterly astonishing.
𝚃𝚛𝚊𝚟𝚎𝚕𝚕𝚒𝚗𝚐 𝚝𝚑𝚎 𝚆𝚘𝚛𝚕𝚍 𝚘𝚗𝚎 𝚌𝚛𝚞𝚒𝚜𝚎 𝚊𝚝 𝚊 𝚝𝚒𝚖𝚎
Because life's too short not to
Award-winning cruise blog by Dave Monk
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