people in prehistoric times created paints by grinding materials such as plants and clay into powder and then adding water.
"The great variety of farming devices covers a wide range of complexity, from simple hand-held implements used since prehistoric times to the complex harvesters of modern mechanized agriculture."
It appears to be a throwback to prehistoric times that it has somehow managed to survive.
People lived in caves in prehistoric times. Scientists have learned much about early man by digging in cave floors and studying the artwork on walls and ceilings.
There has been human habitation here since prehistoric times.
The corn plant with its ornamental tassel and ears has been a motif of American art since prehistoric times.
solid-hoofed herbivorous quadruped domesticated since prehistoric times.
Early evidence has shown that even in prehistoric times, surgery to relieve pressure on the brain were performed, with skulls bearing carefully drilled or cut holes providing testimony to the fact.
Goats, which were first tamed more than 9,000 years ago in Asia, have provided people with milk, meat, and wool since prehistoric times.
Visitors to this ancient pagan site have keenly watched the night sky above Wiltshire since prehistoric times, an activity that continues to this day, despite the presence of nearby A roads.
Students who were interested in cultures in prehistoric times paid a visit to that museum.
Since prehistoric times, the sketch has served as one of man's most effective communication techniques.
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