Marijuana plantations stretch sometimes for acres, clinging to steep-sided canyons in Columbia. "We know we're doing harm to society. But this is what gives us an income because ordinary food crops are worth nothing," one grower says.http://feeds.feedburner.com/~ff/rss/...?d=yIl2AUoC8zA http://feeds.feedburner.com/~ff/rss/...?d=7Q72WNTAKBA http://feeds.feedburner.com/~ff/rss/...Mk:V_sGLiPBpWU http://feeds.feedburner.com/~ff/rss/...?d=qj6IDK7rITs http://feeds.feedburner.com/~ff/rss/...Mk:gIN9vFwOqvQ
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