Masks are made of mixture of cotton, clay, and paper. They are made by the experienced artisans of Nepal who have been in this business for generations. The skills inherited from the old masters continue to be practiced with the same devotion although there is now a wider market within the tourism industry. Bhaktapur is the third largest city in the Kathmandu valley. The city was once the capital of Nepal during the great Malla Kingdom from the 12th to the 15th century. Bhaktapur is known by woodcarving artists, for it's cap known as Bhadgaon Topi, and for it's curd known by Nepalese as the `Bhaktapur ko Dahe' (meaning Curd) made in Bhaktapur