Mexico: This spectacular footage captured by a drone shows a mysterious giant trench, which has opened up in Mexican farmland.
Scientists believe the kilometre-long fissure, which measures 16ft across and 8ft deep, has been caused by an underground stream in northwest Mexico.
The drone filmed the kilometre-long fissure, which measures 16ft across and 8ft wide, while flying over the Costa de Hermosillio in Sonora.
It has baffled locals, as well as officials, with many speculating that an earthquake at the San Andreas Fault may have been to blame.
However, geologists at the University of Sonora, have disputed the claims, putting the collapse of land down to an underground stream.
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The enormous crevice even stretches across a dusty road in the area.
According to reports, farm workers and vehicles have been forced to go around the entire area to avoid the unstable ground.
Another crack was reported to have opened up near Highway 4 in the same area.