The colors in the carpet will be perceived differently depending on the angle you view it from.
Information about Bidjar carpet from Persia / Iran.
This carpet is of very high-class and are sometimes referred to as "the iron-carpet of Persia" due to their extreme length of life and durability. The carpet is thick, very tight and is heavy with excellent wool quality. The carpet is knotted with a double-knot and the pattern makes them very easy to place.
Wool is a natural textile fibre and one of the most sought after materials for rug making. Wool rugs are highly durable and perfectly capable of resisting wear and tear of every day use. Wool has a naturally dirt-repelling effect and is easy to keep clean. It is also flame resistant and characteristically retains it’s shape so that the pile of the rug always rises.