The Tang dynasty lived in central cities and suburbs, and used Confucian principles. The dynasty encouraged the spread of Buddhism and had Islamic and Jewish influence on their religious structure. They traded mostly ceramics, paintings, and silk designs, and traded by sea routes linking to the Red Sea and Persian Gulf, and routes to Korea, Japan, and Tibet. They appreciated Turkic culture and experienced a plague outbreak. They had shadow plays, puppet shows, music, and scholarly lectures as intellectual advances.