Nepal is multi ethnic, multi cultural, multi religious, country. justify this statment

Nepal is multi-ethnic, multi-cultural, multi-religious country. As a matter of fact, its national heritage is summed up in "Unity in diversity." It is home to 4 castes and 36 sub-castes and its geographical location as a country of Asia, lying along the southern slopes of the Himalayan mountain ranges, a landlocked country located between India to the east, south, and west and the Tibet Autonomous Region of China to the north, made it a country where people from both giant countries migrate through trade and intermarriages. With the coming in of the Indians and Chinese, Nepal was able to acquire and accept the different religions and cultures of these races. Diversified settlements remain in Nepal since its civilization in terms of religion, culture, ethnicity and dialect; hence, its society is flexible with a blend of cultural and system practices.