What is an Description of Hindu Kush Mountain, indus River, and Thar Desert

(those are the Physical Features).

For the Hindu Kush, it is a vast mountain range that stretches across the Afghan-Pakistan border, the Indus River is the major most south flowing river and longest river in Asia. And lastly for the Thar desert, it is a large, arid region in the Indian subcontinent that is a natural boundary between India and Pakistan.