Were we happier in the Stone Age? 4,500 years ago, a thriving culture in Neolithic Britain built vast structures with only stone tools. Experts think we have been going downhill ever since.
Found! Largest prehistoric structure in UK

Were we happier in the Stone Age? 4,500 years ago, a thriving culture in Neolithic Britain built vast structures with only stone tools. Experts think we have been going downhill ever since.