Tens of thousands of people die from snake bites every year and many of the victims are children in rural areas of sub-Saharan Africa. <br />Anti-venom would save their lives, but the venom needed to make the cure is in short supply. <br />One place where it is collected is Kenya's Bio-Ken snake farm, and it supplies venom to the only anti-venom manufacturer in Africa. <br />Royjan Taylor shows how he manages to get the vital ingredient - without getting bitten.