As leaders gather in Colombia for the global Cop16 nature summit, photographer Dougie Wallace captures the Indigenous Arhuaco, who are deeply involved in protecting the country’s biodiversity – and who have produced the region’s first Indigenous film-maker As leaders gather in Colombia for the global Cop16 nature summit, photographer Dougie Wallace captures the Indigenous Arhuaco, who are deeply involved in protecting the country’s biodiversity – and who have produced the region’s first