Mummies, mammoth ivory, giant viruses are antiques that can be revealed if the permafrost in Siberia melts.
Ironically, two enemies died in entwined posture, face to face during the 120th century.
A Siberian resident (Russia) while digging a vegetable garden in his home garden excavated the ancient mammoth tusks dating back about 400,000 years.
Mexico's National Institute of Anthropology and History (INAH) said a group of archaeological experts discovered a mammoth ivory that was nearly 3m long, over 10,000 years BC.
When digging water pipes in Seattle, USA on February 11, workers found mammoth ivory 10,000 years ago.