Military tanks can cost millions of dollars, but when they are obsolete and start to rust, what do you do? Repairing, refurbishing, or even hauling them away can cost a pretty penny. In the city of Omsk, a Russian military center, old tanks have been made into children's playground equipment. Admit it, when you were a kid, you'd kill to be able to climb on something like this! See more pictures at English Russia. Link -via Buzzfeed