Diwali is a festival of lights. It is one of the biggest festivals in India, celebrated with great enthusiasm and happiness. Diwali celebrations may last for up to five days. Many people decorate their home and workplaces with tiny electric lights or small clay oil lamps. Bowls of water with candles and flowers floating on the surface are also popular decorations. Many people make a special effort to clean their homes and yards before Diwali.