Rural workers end their work day, in Pozo del Tigre, in Formosa, Argentina April 19, 2023. The Gran Chaco is facing growing pressure as large-scale farms producing soy and cattle expand to meet global food demand. REUTERS/Agustin Marcarian SEARCH "CHACO" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.REUTERS/AGUSTIN MARCARIAN