Religious festivals include ''Diwali'' (the festival of lights), ''Mahavir Jayanti'', Guru Nanak's Birthday, ''Raksha Bandhan'', ''Durga Puja'', ''Holi'', ''Lohri'', ''Chauth'', ''Krishna Janmastami'', ''Maha Shivratri'', Eid ul-Fitr, ''Moharram'' and ''Buddha Jayanti''. The Qutub Festival is a cultural event during which performances of musicians and dancers from all over India are showcased at night, with the Qutub Minar as a backdrop. Other events such as Kite Flying Festival, International Mango Festival and ''Vasant Panchami'' (the Spring Festival) are held every year in Delhi. The Auto Expo, Asia's largest auto show, is held in Delhi biennially. The New Delhi World Book Fair, held biennially at the Pragati Maidan, is the second-largest exhibition of books in the world. Delhi is often regarded as the "Book Capital" of India because of high readership. India International Trade Fair (IITF), organised by ITPO is the biggest cultural and shopping fair of Delhi which takes place in November each year and is visited by more than 1.5 million people.