Other world-famous murals can be found in Mexico, New York City, Philadelphia, Belfast, Derry, Los Angeles, Nicaragua, Cuba and in India.  They have functioned as an important means of communication for members of socially, ethnically and racially divided communities in times of conflict. They also proved to be an effective tool in establishing a dialogue and hence solving the cleavage in the long run. The Indian state Kerala has exclusive murals. These Kerala mural painting are on walls of Hindu temples. They can be dated from 9th century AD.