The Indus Valley Civilization was known for its impressive cities and infrastructure, including well-planned streets, advanced drainage systems, and complex water management techniques. Their cities, such as Harappa and Mohenjo-Daro, were some of the largest of the ancient world.

印度河谷文明以其令人驚嘆的城市和基礎(chǔ)設(shè)施而聞名,包括規(guī)劃良好的街道、先進的排水系統(tǒng)和復雜的水管理技術(shù)。他們的城市,如哈拉帕和摩亨佐-達羅,是古代世界上最大的城市之一。