This year’s summer was the Earth’s hottest since global record-keeping began in 1880. Large parts of the Northern Hemisphere – including areas of the United States, Europe, and Japan – experienced scorching heatwaves. People were able to endure the extreme heat in their air-conditioned offices, homes and schools. However, the option was not available to most zoo animals. Here are some creative ways that zookeepers used to keep the animals safe in the heat.