evidence: - The region called Aksai Chin is controlled by China. China also controls a territory it received from Pakistan, called Trans-Karakoram Tract. The legality of this swap is disputed by India. [...] - The Trans-Karakoram Tract is an area Pakistan gave to China in 1963, March 3rd. Pakistan says the area was uninhabited, so there is no problem to this. India claims this area as part of its state Jammu and Kashmir.