A man swims with his kid on the waters of the Parana do Amana river at Vila Nova do Amana community in the Sustainable Development Reserve, in Amazonas state, Brazil, September 22, 2015. Three solar-powered machines, are producing about ninety kilos of ice per day, in a region with poor access to electric energy, which used to be produced only with diesel oil, in the Amazon rain forest. The Gelo Solar (Solar Ice) project, developed by the Mamiraua Institute for Sustainable Development and the Sao Paulo University (USP), aims to improve the life quality of the residents of the communities allowing them to preserve their fish and fruits productions which are their main economic resources. The Mamiraua Institute is also using solar energy to supply the community's homes with water and light up a soccer field. Picture taken September 22. REUTERS/Bruno Kelly TPX IMAGES OF THE DAY

Residents unload a solar-powered ice machines at Vila Nova do Amana community in the Sustainable Development Reserve, in Amazonas state, Brazil, September 22, 2015. Three solar-powered machines, are producing about ninety kilos of ice per day, in a region with poor access to electric energy, which used to be produced only with diesel oil, in the Amazon rain forest. The Gelo Solar (Solar Ice) project, developed by the Mamiraua Institute for Sustainable Development and the Sao Paulo University (USP), aims to improve the life quality of the residents of the communities allowing them to preserve their fish and fruits productions which are their main economic resources. The Mamiraua Institute is also using solar energy to supply the community's homes with water and light up a soccer field. Picture taken September 22. REUTERS/Bruno Kelly 

Francisco da Silva Vale, 61, cleans solar panels which power ice machines at Vila Nova do Amana community in the Sustainable Development Reserve, in Amazonas state, Brazil, September 22, 2015. Three solar-powered machines, are producing about ninety kilos of ice per day, in a region with poor access to electric energy, which used to be produced only with diesel oil, in the Amazon rain forest. The Gelo Solar (Solar Ice) project, developed by the Mamiraua Institute for Sustainable Development and the Sao Paulo University (USP), aims to improve the life quality of the residents of the communities allowing them to preserve their fish and fruits productions which are their main economic resources. The Mamiraua Institute is also using solar energy to supply the community's homes with water and light up a soccer field. Picture taken September 22. REUTERS/Bruno Kelly 

View of the Vila Nova do Amana community in the Sustainable Development Reserve, in Amazonas state, Brazil, September 23, 2015. Three solar-powered machines, are producing about ninety kilos of ice per day, in a region with poor access to electric energy, which used to be produced only with diesel oil, in the Amazon rain forest. The Gelo Solar (Solar Ice) project, developed by the Mamiraua Institute for Sustainable Development and the Sao Paulo University (USP), aims to improve the life quality of the residents of the communities allowing them to preserve their fish and fruits productions which are their main economic resources. The Mamiraua Institute is also using solar energy to supply the community's homes with water and light up a soccer field. Picture taken September 23. REUTERS/Bruno Kelly 

Solar panels power water pumps to supply river water to the houses of the Vila Nova do Amana community in the Sustainable Development Reserve, in Amazonas state, Brazil, September 22, 2015. Three solar-powered machines, are producing about ninety kilos of ice per day, in a region with poor access to electric energy, which used to be produced only with diesel oil, in the Amazon rain forest. The Gelo Solar (Solar Ice) project, developed by the Mamiraua Institute for Sustainable Development and the Sao Paulo University (USP), aims to improve the life quality of the residents of the communities allowing them to preserve their fish and fruits productions which are their main economic resources. The Mamiraua Institute is also using solar energy to supply the community's homes with water and light up a soccer field. Picture taken September 22. REUTERS/Bruno Kelly TPX IMAGES OF THE DAY

Francisco da Silva Vale (L), 61, and his son Hercules navigate during a fishing session at Vila Nova do Amana community in the Sustainable Development Reserve, in Amazonas state, Brazil, September 23, 2015. Three solar-powered machines, are producing about ninety kilos of ice per day, in a region with poor access to electric energy, which used to be produced only with diesel oil, in the Amazon rain forest. The Gelo Solar (Solar Ice) project, developed by the Mamiraua Institute for Sustainable Development and the Sao Paulo University (USP), aims to improve the life quality of the residents of the communities allowing them to preserve their fish and fruits productions which are their main economic resources. The Mamiraua Institute is also using solar energy to supply the community's homes with water and light up a soccer field. Picture taken September 23. REUTERS/Bruno Kelly 

Francisco da Silva Vale, 61, carries fish after a fishing session at Vila Nova do Amana community in the Sustainable Development Reserve, in Amazonas state, Brazil, September 23, 2015. Three solar-powered machines, are producing about ninety kilos of ice per day, in a region with poor access to electric energy, which used to be produced only with diesel oil, in the Amazon rain forest. The Gelo Solar (Solar Ice) project, developed by the Mamiraua Institute for Sustainable Development and the Sao Paulo University (USP), aims to improve the life quality of the residents of the communities allowing them to preserve their fish and fruits productions which are their main economic resources. The Mamiraua Institute is also using solar energy to supply the community's homes with water and light up a soccer field. Picture taken September 23. REUTERS/Bruno Kelly 

Eliakin Pereira Vale, 31 cools off fish with ice produced on solar-powered ice machines at Vila Nova do Amana community in the Sustainable Development Reserve, in Amazonas state, Brazil, September 24, 2015. Three solar-powered machines, are producing about ninety kilos of ice per day, in a region with poor access to electric energy, which used to be produced only with diesel oil, in the Amazon rain forest. The Gelo Solar (Solar Ice) project, developed by the Mamiraua Institute for Sustainable Development and the Sao Paulo University (USP), aims to improve the life quality of the residents of the communities allowing them to preserve their fish and fruits productions which are their main economic resources. The Mamiraua Institute is also using solar energy to supply the community's homes with water and light up a soccer field. Picture taken September 24. REUTERS/Bruno Kelly 

Francisco da Silva Vale, 61, poses with a block of ice produced on a solar-powered ice machines at Vila Nova do Amana community in the Sustainable Development Reserve, in Amazonas state, Brazil, September 22, 2015. Three solar-powered machines, are producing about ninety kilos of ice per day, in a region with poor access to electric energy, which used to be produced only with diesel oil, in the Amazon rain forest. The Gelo Solar (Solar Ice) project, developed by the Mamiraua Institute for Sustainable Development and the Sao Paulo University (USP), aims to improve the life quality of the residents of the communities allowing them to preserve their fish and fruits productions which are their main economic resources. The Mamiraua Institute is also using solar energy to supply the community's homes with water and light up a soccer field. Picture taken September 22. REUTERS/Bruno Kelly 

Lorena Pereira, 4, takes a bath at her house with water pumped from the river using the energy of solar-powered at the Vila Nova do Amana community in the Sustainable Development Reserve, in Amazonas state, Brazil, September 22, 2015. Three solar-powered machines, are producing about ninety kilos of ice per day, in a region with poor access to electric energy, which used to be produced only with diesel oil, in the Amazon rain forest. The Gelo Solar (Solar Ice) project, developed by the Mamiraua Institute for Sustainable Development and the Sao Paulo University (USP), aims to improve the life quality of the residents of the communities allowing them to preserve their fish and fruits productions which are their main economic resources. The Mamiraua Institute is also using solar energy to supply the community's homes with water and light up a soccer field. Picture taken September 22. REUTERS/Bruno Kelly 

Residents play soccer at a field lighted up with solar-powered lights at Vila Nova do Amana community in the Sustainable Development Reserve, in Amazonas state, Brazil, September 22, 2015. Three solar-powered machines, are producing about ninety kilos of ice per day, in a region with poor access to electric energy, which used to be produced only with diesel oil, in the Amazon rain forest. The Gelo Solar (Solar Ice) project, developed by the Mamiraua Institute for Sustainable Development and the Sao Paulo University (USP), aims to improve the life quality of the residents of the communities allowing them to preserve their fish and fruits productions which are their main economic resources. The Mamiraua Institute is also using solar energy to supply the community's homes with water and light up a soccer field. Picture taken September 22. REUTERS/Bruno Kelly 

A man stands on the deck of his house at Vila Nova do Amana community in the Sustainable Development Reserve, in Amazonas state, Brazil, September 24, 2015. Three solar-powered machines, are producing about ninety kilos of ice per day, in a region with poor access to electric energy, which used to be produced only with diesel oil, in the Amazon rain forest. The Gelo Solar (Solar Ice) project, developed by the Mamiraua Institute for Sustainable Development and the Sao Paulo University (USP), aims to improve the life quality of the residents of the communities allowing them to preserve their fish and fruits productions which are their main economic resources. The Mamiraua Institute is also using solar energy to supply the community's homes with water and light up a soccer field. Picture taken September 24. REUTERS/Bruno Kelly TPX IMAGES OF THE DAY