Instituto Mar Urbano's director Ricardo Gomes plants a mangrove tree on the banks of Caceribu River which flows into Guanabara bay, as he takes part in the Green Guanabara Project which restored around 12.5 ha of mangrove and a total of around 30,500 trees were planted to preserve marine biodiversity and keep the rivers clean, in Rio de Janeiro, Brazil March 17, 2023. REUTERS/Ricardo Moraes