evidence: The Shaksgam valley, or the Trans Karakoram Tract, is part of the Hunza-Gilgit Region of PoK. [...] In granting China's claim to a border along the Karakoram Range, Pakistan compromised India's traditional frontier along the Kun Lun Range to the north-west of the Karakoram Pass. It also allowed China to extend a claim eastward along the Karakoram in Ladakh. This enabled China to claim all of Aksai-Chin.