Complex sentence: Mount Everest (also known in Nepal as Sagarmatha and in Tibet/China by various romanisations of Chomolungma) is the Earth's highest mountain, located in the Mahalangur section of the Himalayas.
Split into simpler sentences: Mount Everest (also known in Nepal as Sagarmatha and in Tibet/China by various romanisations of Chomolungma) is the Earth's highest mountain. It is located in the Mahalangur section of the Himalayas.