Step into Jiaoshan Ancient Fort and travel back to an era of fire and steel! This Yangtze River stronghold played a crucial role in fending off invasions, where rusting cannons still whisper tales of heroic battles. Walk along the mossy brick walls for panoramic views of Zhenjiang city and the mighty river – the sunset turning cannons into golden relics is pure magic. Don't forget to touch those Qing-dynasty iron cannons and feel history pulse beneath your fingertips!