Top 5 Astonishing Fact
1. OLDEST MAN-MADE SHELTER. IT IS MADE FROM BONES OF MAMMOTH. IT IS APPROXIMATELY 25,000 YEARS OLD. 2. BMW X6 is painted in "The World's Blackest Black". Vantablack is one of the darkest substance known, Absorbing over 99% of light. 3. Australian pig steals 18 cans of beer from campers, get drunk and starts fighting with cow. 4. British spies used semen as invisible ink during WWI. This method was invented by Captain Sir Mansfield Cumming. 5. Pronghorn Antelopes have 10x vision, which means on a clear night they can see the rings of saturn.