The Himalayas, the world's highest mountain range, were formed due to the collision of the Indian and Eurasian tectonic plates. About 50 million years ago, the Indian plate started moving northwards, eventually colliding with the Eurasian plate. The collision caused the sedimentary rocks and marine fossils that had accumulated in the Tethys Sea between the two plates to be thrust upwards, forming the Himalayas. This process of tectonic collision is still ongoing, and the Himalayas continue to ri