Photo taken by Kirk Zhang shows people diving in freshwater in cenotes illuminated with sunlight from the outside in Mexico. Diving in the caverns, windows to large underground river systems, is a unique experience with amazing light effects. (Photo/IC)
Photo taken by Kirk Zhang shows people diving in freshwater in cenotes illuminated with sunlight from the outside in Mexico. Diving in the caverns, windows to large underground river systems, is a unique experience with amazing light effects. (Photo/IC)
Photo taken by Kirk Zhang shows people diving in freshwater in cenotes illuminated with sunlight from the outside in Mexico. Diving in the caverns, windows to large underground river systems, is a unique experience with amazing light effects. (Photo/IC)
Photo taken by Kirk Zhang shows people diving in freshwater in cenotes illuminated with sunlight from the outside in Mexico. Diving in the caverns, windows to large underground river systems, is a unique experience with amazing light effects. (Photo/IC)
