It's harvest time for Chicago police.
On Wednesday, police were busy chopping down Christmas-tree size marijuana plants that someone was growing on a chunk of land the size of two football fields.
Officers in a police helicopter spotted the crop Tuesday on the city's far South Side. Police say whoever was running the operation was days or weeks away from harvesting the more than 1,000 plants. Once packaged the crop would have been worth as much as $10 million.
Authorities say efforts to remove all the plants could take a few days.
Police typically try to intercept shipments of marijuana grown elsewhere. But they say they've never seen such a large illegal agricultural enterprise, largely because there isn't enough room in the city.