Aerial view showing the low water level of the Guavio reservoir that feeds the Guavio Hydroelectric Power Plant in Gachala, Cundinamarca Department, Colombia, on April 16, 2024. . Colombia has halted electricity exports to neighboring Ecuador as its hydropower plants reach near-critical levels due to a biting drought, the government in Bogota said.The severe dry spell, associated with the El Nino climate phenomenon, has also led to water rationing that is affecting 10 million people in the capital Bogota and surrounding areas. (Photo by Jhojan Hilarion / AFP)