ALONG RIVER RWIZI, UgandaALONG RIVER RWIZI, Uganda — Along a stretch of bush by a muddy river, laborers dug and slashed in search of bamboo plants buried under dense grass. Here and there a few plants ...

ALONG RIVER RWIZI, Uganda — Along a stretch of bush by a muddy river, laborers dug and slashed in search of bamboo plants buried under dense grass. Here and there a few plants had sprouted tall, but ...