…[An] indigenous leader staunchly opposed to the construction of an international airport in the southern Chilean region of Araucanía…said the construction project was approved thanks to an environmental impact study “based on lies” that was carried out by Arcadis Geotécnica, the Chilean subsidiary of a Netherlands-based international consulting and engineering company…The Chilean company Belfi…is building the new airport…In September 2011…[leaders] turned to the United Nations Human Rights Council to denounce that the airport was being built “without consultation with the concerned communities, in contravention of” International Labour Organisation Convention 169 concerning indigenous and tribal peoples…