The anti-fly sphere by Mexican-Dutch designer Jose de la O. A traditional way to keep flies away thats used in most of the food markets in urban Mexico. Light is refracted by the water, confusing and scaring away flies.
11 Plants that Repel Flies. Don’t settle for ugly fly traps or hazardous chemicals; simply choose some plants that naturally repel flies. Here is a list of a few that can keep those pesky pests away! - Gardening Go