Contemporary landscape by Integration Design Studio, Landscape Architects: concrete planter box for privacy screen plants. If you can contain bamboo in the concrete container, this would be an awesome privacy screen.
Make Storage Multitask (pool area?) Solve two outdoor problems -- a lack of seating and of storage -- at once. Transform wooden chests with paint and custom cushions made of waterproof foam and fabric. (For backyard toys, gardening stuff, and pool chems)