Did You Know That (About Nature) - 10 You can only see a rainbow if you have your back to the sun.Diamonds mined in Brazil are much harder than those found in Africa.It is because of the Sun and Moon's gravity that we have high and low tides in our seas and oceans.Pages..1.. ..2.. ..3.. ..4.. ..5.. ..6.. ..7.. ..8.. ..9.. ..10.. Share : Facebook x Previous Newer Post Next Older Post