
It is not the height of the wall that is the problem, it is the moat.On Dec 25 2007, 1 teen was killed and 2 were injured at the San Francisco zoo when a Siberian Tiger scaled a 12 and half foot retaining wall and attacked the teens.According to the Association of Zoos & Aquariums, the walls around a tiger exhibit should be at least 16.4 feet high. This is a recommendation, not a regulation. The zoo has been inspected several times and never was it recommended the wall be raised.The following...