A farmer harvests cocoa fruit at a plantation in Gantarang Keke Village, South Sulawesi, Indonesia May 7, 2015. Sulawesi is at the heart of Asia's largest cocoa producing region, and is where some international confectioners are looking to boost output to feed growing demand for chocolate in the region. (Photo by Yusuf Ahmad/Reuters)

Farmers harvest cocoa fruits at a plantation in Gantarang Keke Village, South Sulawesi, Indonesia May 8, 2015. (Photo by Yusuf Ahmad/Reuters)

A farmer holds up dried cocoa beans at a plantation in Gantarang Keke Village, South Sulawesi, Indonesia May 8, 2015. (Photo by Yusuf Ahmad/Reuters)

A farmer shows the inside of a cocoa fruit during harvest at a plantation in Gantarang Keke Village, South Sulawesi, Indonesia, May 8, 2015. (Photo by Yusuf Ahmad/Reuters)

A child helps her parents harvest cocoa fruit at a plantation in Gantarang Keke Village, South Sulawesi, Indonesia May 8, 2015. (Photo by Yusuf Ahmad/Reuters)

A farmer carries cocoa fruits at a plantation in Gantarang Keke Village, South Sulawesi, Indonesia May 8, 2015. (Photo by Yusuf Ahmad/Reuters)

A farmer dries cocoa beans at a plantation in Gantarang Keke Village, South Sulawesi, Indonesia May 8, 2015. (Photo by Yusuf Ahmad/Reuters)

Farmers harvest cocoa fruits at a plantation in Gantarang Keke Village, South Sulawesi, Indonesia May 8, 2015. (Photo by Yusuf Ahmad/Reuters)