Bangalore is known as the "Garden City of India" because of its greenery, broad streets, and presence of many public parks, such as Lal Bagh and Cubbon Park. Biannual flower shows are held at the Lal Bagh Botanical Gardens during the weeks of India's Republic Day and Independence Day. Bangalore Karaga or "Karaga Shaktyotsava" is one of Bangalore's oldest festivals and is dedicated to the Hindu goddess Draupadi. It is celebrated annually by the Thigala community over a period of nine days in March or April. Bangalore's social and economic diversity is reflected in its cuisine. Roadside vendors, tea stalls, and South Indian, North Indian, Chinese and Western fast food are all popular. Udupi restaurants are popular and serve predominantly vegetarian, regional cuisine. Bangalore is also home to many vegan restaurants and vegan activism groups, and has been named as India's most vegan-friendly city by PETA's Indian branch.