The Hardest In World 2

S.No.	The Hardest In World	Description
1	The hardest substance in the human body	Ameloblast cells
2	Australia's Hardest Prison	Casuarina Prison
3	The hardest cyclo-cross race in the world	Three Peaks Cyclo-Cross, (an annual cyclo-cross event over the Yorkshire three peaks of Ingleborough, Whernside and Pen-y-ghent, in Yorkshire, England)
4	The hardest working cartoonist in history	C. W. Kahles
5	The hardest, longest and most adventurous MTB race	The Crocodile Trophy is an annual mountain bike ten day stage race held in North Queensland, Australia
6	The hardest bone in the human body	The femur
7	The hardest form of natural carbon	diamond
8	The hardest hit ship of the 358th Bomb Squadron (VK-K)	Jersey Bounce