Chennai is a large commercial and industrial centre, and is known for its cultural heritage and temple architecture. It is also a hub for south Indian classical music and dance performances. Chennai is considered the automobile capital of India, with a major percentage of the automobile industry having a base here and a major portion of the nation's vehicles being produced here. This has led to Chennai being referred to as the Detroit of South Asia. It has also become a major centre for outsourced jobs from the West. The 12-kilometre long Marina Beach forms the city's east coast .