1001 Space Earth Nature History Human World Prehistoric People Human Body: Systems Human Body: Organs Religions and Festivals Architecture and Buildings Sports and Pastimes Russia and the Middle East Asia Africa Europe North America South America Australasia Polar Regions Science and Technology	Why does Lake Eyre usually have no water? Lake Eyre is in such a hot, dry place that it is usually no more than mud covered with salt. It only has water when it rains.   Previous: Back Book: 1001 Section: Human World Chapter: Australasia