Docked this morning at Piraeus. Took a hop on hop off bus into Athens. Got off at the acropolis and walked up to the Parthenon. Public holiday so free admission. Bonus. Great day for it. After coming back down I could hardly believe I'd managed to walk up to that height up that steep incline but I made it. Then jumped on the round Athens bus and did the complete circle. When we arrived back at the acropolis changed back to the Piraeus bus and returned to the ship.