10 Bridges Built By The Ancients That Are Still In Use Today

(via Listverse) When we think of buildings that have survived to the modern day, we think of structures such as the Colosseum, the Leaning Tower of Piza, and the pyramids. But what about structures that are still in use—their original use—to this day?  While old bridges often get destroyed in disasters, blown up in wars, or burned down in tragic accidents, the bridges in this list have survived the ages relatively unchanged.