Growing plants using fish and circulating water. It's called aquaponics- a gardening system that combines hydroponics (water-based planting) and aquaculture (fish farming). It's been hailed as the future of farming: it uses less water (up to 90% less than traditional gardening). It doesn't attract soil-based bugs and produces two types of produce (both plants and fish).
The Zombie Walk in Chile became the largest zombie march to gather more than 12.000 living deads on 20 October 2012