The Peacock Window, which is also called the "Mona Lisa of Nepal", is a rare masterpiece in wood. Dating back to the early 15th century, the unique latticed window has an intricately carved peacock in its center.Woodcarving in Nepal is an excellent example of Newari (ancient tribes of Nepal) art. The Newari language comprises of a rich vocabulary of wood carving terms. Each component forms a part of a traditional pattern. Each detail of the craft has a name. The decorative work has to be very precise so that the countless pieces used to make up the pattern fit perfectly.