Illegal gold miners in Peru are destroying thousands of hectares of the Amazon forest, home to some of the world's most important biodiversity.<br /><br />Biologists are working to save wildlife in the area, as their habitats are destroyed or endangered by the gold diggers.<br /><br />At the same time, stopping the mining is presenting a tough challenge for the government.<br /><br />In the final instalment of a three-part series, Al Jazeera's Mariana Sanchez reports from Madre de Dios in Peru.
