The excavated Harappan site of Lothal datin as far back as the 2nd millennium BC. In 1954, archaeologists discovered a well-planned city here, 1.75 km long and 400 metres wide, sub-divided into blocks with rows of houses. Each house had its own bathroom and the water outlet from the baths was connected to city’s channel of underground drainage system. A unique discovery in Lothal is a dockyard – 216 metres long and 35 metres wide, with a 5-metre high wall.