With pylons that stand 282 feet tall , the pont gustave-flaubert is europe 's tallest lift bridge .
该桥塔架高达282英尺,是欧洲最高的升降桥。
Why it 's innovative : instead of separating in the middle like a drawbridge , the pont gustave-flaubert 's deck is lifted straight up by a butterfly-shaped pulley system so tall ships can pass through .