The correct answer is: d) All of the above.
Vangchhia, Hmuifang, and Khawlkung are all sites in Mizoram known for megaliths. Megaliths are large stones that have been erected by humans. They can be found in many parts of the world, but they are particularly common in Southeast Asia.
Vangchhia is a village in the Aizawl district of Mizoram. It is home to the Vangchhia megaliths, which are a group of over 100 megaliths. The megaliths are arranged in a circle and are believed to be over 2,000 years old.
Hmuifang is a village in the Lunglei district of Mizoram. It is home to the Hmuifang megaliths, which are a group of over 50 megaliths. The megaliths are arranged in a circle and are believed to be over 1,000 years old.
Khawlkung is a village in the Champhai district of Mizoram. It is home to the Khawlkung megaliths, which are a group of over 30 megaliths. The megaliths are arranged in a circle and are believed to be over 500 years old.
The megaliths at Vangchhia, Hmuifang, and Khawlkung are all important archaeological sites. They provide valuable insights into the history and culture of the people of Mizoram.