Answer:
We are all around, yet to us you are half blind. Sunlight makes us invisible, and difficult to find.
It is a part of us, and then replaced. It escapes out bodies, to a better place. The world becomes its sizeable home. Its passions unrestraint, the planet it roams.
I am cracked by Indiana Jones. What am I?
Brown I am and much admired; many horses have I tried; tire a horse and worry a man; tell me this riddle if you can.
With pointed fangs it sits in wait. With piercing force it doles out fate, over bloodless victims proclaiming its might. Eternally joining in a single bite.
People take me on walks and I run and have fun. What am I?