A child stands near villagers whose feet are cast in cement blocks as part of four days of protest to draw attention to what they say is environmental damage to their farmland from a cement factory, in Rembang, Central Java, outside the presidential palace in Jakarta, Indonesia March 16, 2017. REUTERS/Beawiharta - RTX31A57

Villagers whose feet are cast in cement blocks sit on a chair as part of four days of protest to draw attention to what they say is environmental damage to their farmland from a cement factory, in Rembang, Central Java, outside the presidential palace in Jakarta, Indonesia March 16, 2017. REUTERS/Beawiharta - RTX31A4M

The feet of villagers are seen before being cemented into a wooden box, as part of a four-day protest to draw attention to what they say is environmental damage to their farmland from a cement factory, in Rembang, Central Java, outside the presidential palace, in Jakarta, Indonesia March 16, 2017. REUTERS/Beawiharta - RTX319ZT

A man uses a trolly to move a villager whose feet are cast in cement blocks as part of four days of protest to draw attention to what they say is environmental damage to their farmland from a cement factory, in Rembang, Central Java, outside the presidential palace, in Jakarta, Indonesia March 16, 2017. REUTERS/Beawiharta - RTX31A5P

A woman villager whose feet are cast in cement blocks is seen during part of four days of protest to draw attention to what they say is environmental damage to their farmland from a cement factory, in Rembang, Central Java, outside the presidential palace, in Jakarta, Indonesia March 16, 2017. Boxes read: "Reject the cement factory" (L) "Kendeng unsustainable". REUTERS/Beawiharta - RTX31A37

A man pours cement into a wooden box as part of four days of protest to draw attention to what farmers say is environmental damage to their farmland from a cement factory, in Rembang, Central Java, outside the presidential palace, in Jakarta, Indonesia March 16, 2017. REUTERS/Beawiharta - RTX31A3T