- 問題詳情:In1883,JohnRoeblingwasinspiredbyanideatobuildabridgeconnectingNewYorkwiththeLongIsland.However,bridgebuildingexpertsthroughouttheworldthoughtthiswasimpossible,butRoeblingcouldnotignorethevisionhehadinhismindofthisbridge.Aftermuchdiscussionandpe...
- 12451