The Pazyryk Carpet is the oldest surviving pile carpet in the world is. It measures 183 cm × 200 cm and has a knot density of approximately 360,000 knots per square meter, which is higher than most modern carpets. The middle of the carpet consists of a ribbon motif, while in the border there is a procession with elk or deer, and in another border warriors on horses. When it was found in the Pazyryk Valley in the Altai Mountains, it had been deeply frozen in a block of ice, which is why it is so well-preserved. The Pazyryk Carpet according to its motifs, can be considered as a Persian rug and one of the remaining works of the Achaemenid Empire.