It is a image of flower arrengment at Onam in Kerala
Onam is the national festival of all Malayalis. It is a festival of flowers. People would make flower arrangement on their floor for ten day. The first day is called as Atham and last day is called as Thiruvonnam. It is sweet remberance of our old great ruler Mahabali, who was an Asura. People was very happy at his rule. So the Gods feared and they sent Vishnu (One God from the trinity of Hinduism) as Vamanan and he stamped Mahabali in to underground. People belived that on every onam season he usued to visit his subjects in Kerala.