A bodybuilder competes during a bodybuilding competition for tile-making workers in Jatiwangi district, West Java Province, Indonesia, Aug. 11, 2019. Participants must use clay tile to demonstrate their muscles. (Photos: Xinhua)

A bodybuilder poses in the tile making warehouse before a bodybuilding competition for tile-making workers in Jatiwangi district, West Java Province, Indonesia, Aug. 11, 2019. Participants must use clay tile to demonstrate their muscles.

Participants prepare in the tile making warehouse during a bodybuilding competition for tile-making workers in Jatiwangi district, West Java Province, Indonesia, Aug. 11, 2019. Participants must use clay tile to demonstrate their muscles.

A bodybuilder competes during a bodybuilding competition for tile-making workers in Jatiwangi district, West Java Province, Indonesia, Aug. 11, 2019. Participants must use clay tile to demonstrate their muscles.