than 4000 years old it's part of the ancient city of 100 auto the center point of the bronze age indus valley civilization but more than a century after it was 1st discovered it continues to hold more questions than answers for researchers particularly sort of german a killer just who spent 5 decades at the site. the remains of a once flourishing civilization. $100.00 r.-o. was one of the world's most advanced cities of its time. when archaeologist michael young 1st saw the ruins he was amazed at what he found. when i was in the 100 daro for the 1st time i found the bricks used to construct walls i thought i was back in germany. the same brick the same format that we still used today in germany in europe is a european standard it was perfected 4500 years ago in mahindra daro. more andrew brought up to morrow and the. 100 dollar also had a complex water supply and sewage system. and says it was better than many modern day cities. a highly technical society with a complicated water supply system well how can you build such wells these are highly modern drainage systems in the 1900 centuries eve