But as early as 1856, workers building a railroad that ran along the Indus Valley encountered many fire-burnt bricks. Not realizing they had ancient artifacts in their hands, they used them in the construction. Soon, among the bricks, they also began to find items made of soapstone, some with high artistic value. Without knowing it, these workers stumbled upon traces of the Indus civilization, also known as the Harappan civilization, from Harappa, the first excavated settlement in British India, presently in Pakistan.