Pete Oxford / Aerial view of Kumerau Falls, along the Kurupung river, Pakaraima Mountains, Guyana, South America

Pete Oxford / Kurupung river below Kumerau Falls, Pakaraima Mountains Guyana, South America

Pete Oxford / Sakaika Falls seen from the air, Ekereku river, Cuyuni-Mazaruni Region, Guyana, South America

Pete Oxford / Aerial view of flooded Rupununi savanna, Guyana, South America