After a record-breaking season of rain, the five-year mega drought in California was over. Atmospheric rivers and bomb cyclones rolled inland, brought steel gray skies, charcoal clouds, and torrents of water. Snow wrapped mountaintops, and for a brief moment, it seemed all would be well. But the relentless sun grew hotter than ever before. The snow melted and the streams, rivers, and waterfalls gushed to the valley below. And there emerged a ghost lake, Tulare Lake, onc...