1.Gold medal from Rio, contains only 1% gold and 92.5% silver
2.The most expensive hamburger in the world, the father Glamburger and costs 1768 dollars
3.Only 2% of people in the world have naturally blond hair
4.Koalas sleep about 20 hours a day
5.In Switzerland three times if you fail the driving test, you have to go to a psychologist
