一位印度考古学家在印度河的一个岛上，发现了一座3500年前的古城废墟。 科学家们在考古中发现，这座城市当时非常繁华，整座城市呈长方形，布局非常合理、科学：城周围有城墙和壕沟，城内有高塔、庭院以及闻名于世的大浴池。浴池由烧烤的砖砌成，地表和墙均用石膏填缝，再铺上 An Indian archaeologist discovered a ruined ancient city 3,500 years ago on an island on the Indus River. Scientists found in the archeology that the city was very prosperous at that time. The whole city was rectangular and the layout was very reasonable and scientific: there were walls and trenches around the city. The city had tall towers, courtyards and famous big baths. The baths are made of broiled bricks, and the surface and walls are plastered and then covered with plaster.