like with the barro blanco hydrodam project which is being built against the will of the ngobo peoplehose lands will be flooded. the united nations special rapporteur for indigenous people established this constitutes a violation of their rights. and yet the project is being touted as a climate protection measure, partially funded by european banks. >> the entrance to the barro blanco hydrodam project -- blocked by local inhabitants. they've been camped out here for days, calling for work on the dam to be stopped permanently. weni bagama: these are our rivers, our land, our livelihood. we indigenous people are here to show the world that they are taking away our land. this belongs to us. >> their anger is directed above all at a german bank. the d.e.g. is a subsidiary of germany's government-owned development bank k.f.w. its task is to promote sustainable development around the world. it's supposed to uphold strict environmental and humanitarian standards. and yet, it granted a loan of over $25 million to build the hydrodam. how does that fit with its mandate? we decide to investigate