This week's book giveaway is in the OCP forum. We're giving away four copies of OCP Oracle Certified Professional Java SE 11 Developer Practice Tests and have Scott Selikoff and Jeanne Boyarsky on-line! See this thread for details.
I like the genius who (for example at 0:18 and 0:25) is hitting not the lion, but the boy with something that looks like a blue plastic bag or sweater.