Activists of 'Extinction Rebellion' (XR) and NGO 'Planete Amazone' stage a protest against large hydroelectric dams in front of the Grande Arche de La Defense in Puteaux, northwest of Paris, France, on May 14, 2019, on the occasion of the 2019 World Hydropower Congress. The congress is held in Paris from May 14 to 16. Photo by Patrice Pierrot/Avenir Pictures/ABACAPRESS.COM

Activists of 'Extinction Rebellion' (XR) and NGO 'Planete Amazone' stage a protest against large hydroelectric dams in front of the Grande Arche de La Defense in Puteaux, northwest of Paris, France, on May 14, 2019, on the occasion of the 2019 World Hydropower Congress. The congress is held in Paris from May 14 to 16. Photo by Patrice Pierrot/Avenir Pictures/ABACAPRESS.COM

Activists of 'Extinction Rebellion' (XR) and NGO 'Planete Amazone' stage a protest against large hydroelectric dams in front of the Grande Arche de La Defense in Puteaux, northwest of Paris, France, on May 14, 2019, on the occasion of the 2019 World Hydropower Congress. The congress is held in Paris from May 14 to 16. Photo by Patrice Pierrot/Avenir Pictures/ABACAPRESS.COM

Activists of 'Extinction Rebellion' (XR) and NGO 'Planete Amazone' stage a protest against large hydroelectric dams in front of the Grande Arche de La Defense in Puteaux, northwest of Paris, France, on May 14, 2019, on the occasion of the 2019 World Hydropower Congress. The congress is held in Paris from May 14 to 16. Photo by Patrice Pierrot/Avenir Pictures/ABACAPRESS.COM

Activists of 'Extinction Rebellion' (XR) and NGO 'Planete Amazone' stage a protest against large hydroelectric dams in front of the Grande Arche de La Defense in Puteaux, northwest of Paris, France, on May 14, 2019, on the occasion of the 2019 World Hydropower Congress. The congress is held in Paris from May 14 to 16. Photo by Patrice Pierrot/Avenir Pictures/ABACAPRESS.COM

Activists of 'Extinction Rebellion' (XR) and NGO 'Planete Amazone' stage a protest against large hydroelectric dams in front of the Grande Arche de La Defense in Puteaux, northwest of Paris, France, on May 14, 2019, on the occasion of the 2019 World Hydropower Congress. The congress is held in Paris from May 14 to 16. Photo by Patrice Pierrot/Avenir Pictures/ABACAPRESS.COM

Activists of 'Extinction Rebellion' (XR) and NGO 'Planete Amazone' stage a protest against large hydroelectric dams in front of the Grande Arche de La Defense in Puteaux, northwest of Paris, France, on May 14, 2019, on the occasion of the 2019 World Hydropower Congress. The congress is held in Paris from May 14 to 16. Photo by Patrice Pierrot/Avenir Pictures/ABACAPRESS.COM

Activists of 'Extinction Rebellion' (XR) and NGO 'Planete Amazone' stage a protest against large hydroelectric dams in front of the Grande Arche de La Defense in Puteaux, northwest of Paris, France, on May 14, 2019, on the occasion of the 2019 World Hydropower Congress. The congress is held in Paris from May 14 to 16. Photo by Patrice Pierrot/Avenir Pictures/ABACAPRESS.COM

Activists of 'Extinction Rebellion' (XR) and NGO 'Planete Amazone' stage a protest against large hydroelectric dams in front of the Grande Arche de La Defense in Puteaux, northwest of Paris, France, on May 14, 2019, on the occasion of the 2019 World Hydropower Congress. The congress is held in Paris from May 14 to 16. Photo by Patrice Pierrot/Avenir Pictures/ABACAPRESS.COM

Activists of 'Extinction Rebellion' (XR) and NGO 'Planete Amazone' stage a protest against large hydroelectric dams in front of the Grande Arche de La Defense in Puteaux, northwest of Paris, France, on May 14, 2019, on the occasion of the 2019 World Hydropower Congress. The congress is held in Paris from May 14 to 16. Photo by Patrice Pierrot/Avenir Pictures/ABACAPRESS.COM

Activists of 'Extinction Rebellion' (XR) and NGO 'Planete Amazone' stage a protest against large hydroelectric dams in front of the Grande Arche de La Defense in Puteaux, northwest of Paris, France, on May 14, 2019, on the occasion of the 2019 World Hydropower Congress. The congress is held in Paris from May 14 to 16. Photo by Patrice Pierrot/Avenir Pictures/ABACAPRESS.COM

Activists of 'Extinction Rebellion' (XR) and NGO 'Planete Amazone' stage a protest against large hydroelectric dams in front of the Grande Arche de La Defense in Puteaux, northwest of Paris, France, on May 14, 2019, on the occasion of the 2019 World Hydropower Congress. The congress is held in Paris from May 14 to 16. Photo by Patrice Pierrot/Avenir Pictures/ABACAPRESS.COM

Activists of 'Extinction Rebellion' (XR) and NGO 'Planete Amazone' stage a protest against large hydroelectric dams in front of the Grande Arche de La Defense in Puteaux, northwest of Paris, France, on May 14, 2019, on the occasion of the 2019 World Hydropower Congress. The congress is held in Paris from May 14 to 16. Photo by Patrice Pierrot/Avenir Pictures/ABACAPRESS.COM

Activists of 'Extinction Rebellion' (XR) and NGO 'Planete Amazone' stage a protest against large hydroelectric dams in front of the Grande Arche de La Defense in Puteaux, northwest of Paris, France, on May 14, 2019, on the occasion of the 2019 World Hydropower Congress. The congress is held in Paris from May 14 to 16. Photo by Patrice Pierrot/Avenir Pictures/ABACAPRESS.COM

Activists of 'Extinction Rebellion' (XR) and NGO 'Planete Amazone' stage a protest against large hydroelectric dams in front of the Grande Arche de La Defense in Puteaux, northwest of Paris, France, on May 14, 2019, on the occasion of the 2019 World Hydropower Congress. The congress is held in Paris from May 14 to 16. Photo by Patrice Pierrot/Avenir Pictures/ABACAPRESS.COM

Activists of 'Extinction Rebellion' (XR) and NGO 'Planete Amazone' stage a protest against large hydroelectric dams in front of the Grande Arche de La Defense in Puteaux, northwest of Paris, France, on May 14, 2019, on the occasion of the 2019 World Hydropower Congress. The congress is held in Paris from May 14 to 16. Photo by Patrice Pierrot/Avenir Pictures/ABACAPRESS.COM

Activists of 'Extinction Rebellion' (XR) and NGO 'Planete Amazone' stage a protest against large hydroelectric dams in front of the Grande Arche de La Defense in Puteaux, northwest of Paris, France, on May 14, 2019, on the occasion of the 2019 World Hydropower Congress. The congress is held in Paris from May 14 to 16. Photo by Patrice Pierrot/Avenir Pictures/ABACAPRESS.COM