Ruins of Desert Cathay 154 - Ruin of ancient Chinese fort T. xiv, marking the position of the "Jade Gate", seen from north-east. Stein had the Chinese records describing the importance of the 'Jade Gate' so named from the passage of precious jade throug hit from Khotan. So he searched and finally determined that this edifice was that fort. It was back from the wall and on the caravan route.