Alumni Park, is a private park owned by Pepperdine University in Malibu, California. The park is a 30 acre expanse of trails, lawns, hills, ponds and coral trees. The 40,000 square feet ponds are considered open reservoirs of reclaimed water. The park hosts an annual Waves of Flags display. Nearly 3,000 flags are displayed each September to commemorate each of the lives lost in the September 11 attacks.