One aspect of the state's rich cultural heritage is manifest in its varieties of religious architecture: ancient Hindu temples with copper-clad roofs, later Islamic mosques with "Malabar gables," and colonial Portuguese Baroque churches.Splendid paintings,especially murals, exhibit distinct local traditions and styles. The land is a flourishing center of the Kathakali dance form. The state has also a rich theatre tradition: the only surviving Sanskrit drama, Koottiyattam, is still performed by the Chakkiars of Kerala. Some principles of the Natya-Shastra are evident in their presentations. Kerala Cultural Vacation is a must for tourist in India.