Greenpeace activists protest in front of Siemens office in Buenos Aires, against the company's plans to get involved in the new mega dam project at the Tapajos River in the Amazon.
The Munduruku indigenous people inhabit rainforests in the banks of the Tapajós river where the Brazilian government intends to build a large complex of more than 40 dams that would force the Munduruku to leave their traditional home against their will, losing their livelihood.