A young boy watches a Sigale-gale puppet show during the Sigale-gale puppet carnival of the Toba Lake Festival at Samosir islands in north Sumatra Island`s Medan city, Indonesia, Sept. 9, 2013. The Toba Lake Festival is a historical tradition to preserve the Lake of Toba`s environment and the curtural creativity of Toba lake communities. (Xinhua/Veri Sanovri)

　　People carry Sigale-Gale puppets during the Sigale-gale puppet carnival of the Toba Lake Festival at Samosir islands in north Sumatra Island`s Medan city, Indonesia, Sept. 9, 2013. The Toba Lake Festival is a historical tradition to preserve the Lake of Toba`s environment and the curtural creativity of Toba lake communities. (Xinhua/Veri Sanovri)

　　People attend the Sigale-gale puppet carnival of the Toba Lake Festival at Samosir islands in north Sumatra Island`s Medan city, Indonesia, Sept. 9, 2013. The Toba Lake Festival is a historical tradition to preserve the Lake of Toba`s environment and the curtural creativity of Toba lake communities. (Xinhua/Veri Sanovri)