Lake Eyre is dry most of the time, but does fill briefly every few years. Notably, the reason why Mad Max Fury Road was filmed in Ethiopia instead of Australia

Lake Eyre is dry most of the time, but does fill briefly every few years. Notably, the reason why Mad Max Fury Road was filmed in Ethiopia instead of Australia was that rains filled the lake a week before filming, and turned the desert into a field of wildflowers unsuitable for the apocalyptic setting.