𝙎𝙘𝙖𝙡𝙖𝙗𝙡𝙚 𝙑𝙚𝙘𝙩𝙤𝙧 𝙂𝙧𝙖𝙥𝙝𝙞𝙘𝙨: visit to the island where the birds know how to trade bottles for ships to take them to the invisible mountain