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惊叹的城市和基础设施而闻名,包括规划良好的街道、先进的排水系统和复杂的水管理技术。他们的城市,如哈拉帕和摩亨佐-达罗,是古代世界上最大的城市之一。