Indonesian dancers pose for photographers during the 2018 Minangkabau art and culture festival in Batusangkar, West Sumatra with the Istano Basa Pagaruyuang at the background on November 28, 2018. The 2018 Minangkabau art and culture festival featuring variety of Minangkabau - one of Indonesia's ethnics - arts and culture that is held in Tanah Datar regency from November 28 - December 2 to boost both economy and tourism. / AFP / ADEK BERRY

Indonesian students in Minangkabau traditional outfits welcome guests at the 2018 Minangkabau art and culture festival in Batusangkar, West Sumatra with the Istano Basa Pagaruyuang at the background on November 28, 2018. The 2018 Minangkabau art and culture festival featuring variety of Minangkabau - one of Indonesia's ethnics - arts and culture that is held in Tanah Datar regency from November 28 - December 2 to boost both economy and tourism. / AFP / ADEK BERRY

Indonesian dancers perform during the 2018 Minangkabau art and culture festival in Batusangkar, West Sumatra with the Istano Basa Pagaruyuang at the background on November 28, 2018. The 2018 Minangkabau art and culture festival featuring variety of Minangkabau - one of Indonesia's ethnics - arts and culture that is held in Tanah Datar regency from November 28 - December 2 to boost both economy and tourism. / AFP / ADEK BERRY

Indonesian dancers in Minangkabau traditional outfits participate at the 2018 Minangkabau art and culture festival in Batusangkar, West Sumatra with the Istano Basa Pagaruyuang at the background on November 28, 2018. The 2018 Minangkabau art and culture festival featuring variety of Minangkabau - one of Indonesia's ethnics - arts and culture that is held in Tanah Datar regency from November 28 - December 2 to boost both economy and tourism. / AFP / ADEK BERRY

Indonesian dancers participate at the 2018 Minangkabau art and culture festival in Batusangkar, West Sumatra with the Istano Basa Pagaruyuang at the background on November 28, 2018. The 2018 Minangkabau art and culture festival featuring variety of Minangkabau - one of Indonesia's ethnics - arts and culture that is held in Tanah Datar regency from November 28 - December 2 to boost both economy and tourism. / AFP / ADEK BERRY

Indonesian dancers pose for photographers during the 2018 Minangkabau art and culture festival in Batusangkar, West Sumatra with the Istano Basa Pagaruyuang at the background on November 28, 2018. The 2018 Minangkabau art and culture festival featuring variety of Minangkabau - one of Indonesia's ethnics - arts and culture that is held in Tanah Datar regency from November 28 - December 2 to boost both economy and tourism. / AFP / ADEK BERRY

Indonesian dancers participate at the 2018 Minangkabau art and culture festival in Batusangkar, West Sumatra with the Istano Basa Pagaruyuang at the background on November 28, 2018. The 2018 Minangkabau art and culture festival featuring variety of Minangkabau - one of Indonesia's ethnics - arts and culture that is held in Tanah Datar regency from November 28 - December 2 to boost both economy and tourism. / AFP / ADEK BERRY

Indonesian dancers participate at the 2018 Minangkabau art and culture festival in Batusangkar, West Sumatra with the Istano Basa Pagaruyuang at the background on November 28, 2018. The 2018 Minangkabau art and culture festival featuring variety of Minangkabau - one of Indonesia's ethnics - arts and culture that is held in Tanah Datar regency from November 28 - December 2 to boost both economy and tourism. / AFP / ADEK BERRY

Indonesian dancers pose for photographers during the 2018 Minangkabau art and culture festival in Batusangkar, West Sumatra with the Istano Basa Pagaruyuang at the background on November 28, 2018. The 2018 Minangkabau art and culture festival featuring variety of Minangkabau - one of Indonesia's ethnics - arts and culture that is held in Tanah Datar regency from November 28 - December 2 to boost both economy and tourism. / AFP / ADEK BERRY

Indonesian dancers in Minangkabau traditional outfits participate at the 2018 Minangkabau art and culture festival in Batusangkar, West Sumatra with the Istano Basa Pagaruyuang at the background on November 28, 2018. The 2018 Minangkabau art and culture festival featuring variety of Minangkabau - one of Indonesia's ethnics - arts and culture that is held in Tanah Datar regency from November 28 - December 2 to boost both economy and tourism. / AFP / ADEK BERRY

Indonesian dancers in Minangkabau traditional outfits welcome guests at the 2018 Minangkabau art and culture festival in Batusangkar, West Sumatra with the Istano Basa Pagaruyuang at the background on November 28, 2018. The 2018 Minangkabau art and culture festival featuring variety of Minangkabau - one of Indonesia's ethnics - arts and culture that is held in Tanah Datar regency from November 28 - December 2 to boost both economy and tourism. / AFP / ADEK BERRY

Indonesian dancers wait for their turn to perform during the 2018 Minangkabau art and culture festival in Batusangkar, West Sumatra with the Istano Basa Pagaruyuang at the background on November 28, 2018. The 2018 Minangkabau art and culture festival featuring variety of Minangkabau - one of Indonesia's ethnics - arts and culture that is held in Tanah Datar regency from November 28 - December 2 to boost both economy and tourism. / AFP / ADEK BERRY

Indonesian dancers in Minangkabau traditional outfits participate at the 2018 Minangkabau art and culture festival in Batusangkar, West Sumatra with the Istano Basa Pagaruyuang at the background on November 28, 2018. The 2018 Minangkabau art and culture festival featuring variety of Minangkabau - one of Indonesia's ethnics - arts and culture that is held in Tanah Datar regency from November 28 - December 2 to boost both economy and tourism. / AFP / ADEK BERRY

Indonesian dancers participate at the 2018 Minangkabau art and culture festival in Batusangkar, West Sumatra with the Istano Basa Pagaruyuang at the background on November 28, 2018. The 2018 Minangkabau art and culture festival featuring variety of Minangkabau - one of Indonesia's ethnics - arts and culture that is held in Tanah Datar regency from November 28 - December 2 to boost both economy and tourism. / AFP / ADEK BERRY

Indonesian dancers perform during the 2018 Minangkabau art and culture festival in Batusangkar, West Sumatra with the Istano Basa Pagaruyuang at the background on November 28, 2018. The 2018 Minangkabau art and culture festival featuring variety of Minangkabau - one of Indonesia's ethnics - arts and culture that is held in Tanah Datar regency from November 28 - December 2 to boost both economy and tourism. / AFP / ADEK BERRY

An Indonesian dancer waits for her turn to perform during the 2018 Minangkabau art and culture festival in Batusangkar, West Sumatra with the Istano Basa Pagaruyuang at the background on November 28, 2018. The 2018 Minangkabau art and culture festival featuring variety of Minangkabau - one of Indonesia's ethnics - arts and culture that is held in Tanah Datar regency from November 28 - December 2 to boost both economy and tourism. / AFP / ADEK BERRY

Indonesian dancers perform during the 2018 Minangkabau art and culture festival in Batusangkar, West Sumatra with the Istano Basa Pagaruyuang at the background on November 28, 2018. The 2018 Minangkabau art and culture festival featuring variety of Minangkabau - one of Indonesia's ethnics - arts and culture that is held in Tanah Datar regency from November 28 - December 2 to boost both economy and tourism. / AFP / ADEK BERRY

Indonesian dancers participate at the 2018 Minangkabau art and culture festival in Batusangkar, West Sumatra with the Istano Basa Pagaruyuang at the background on November 28, 2018. The 2018 Minangkabau art and culture festival featuring variety of Minangkabau - one of Indonesia's ethnics - arts and culture that is held in Tanah Datar regency from November 28 - December 2 to boost both economy and tourism. / AFP / ADEK BERRY

Indonesian dancers stand prior to their performing during the 2018 Minangkabau art and culture festival in Batusangkar, West Sumatra with the Istano Basa Pagaruyuang at the background on November 28, 2018. The 2018 Minangkabau art and culture festival featuring variety of Minangkabau - one of Indonesia's ethnics - arts and culture that is held in Tanah Datar regency from November 28 - December 2 to boost both economy and tourism. / AFP / ADEK BERRY