A mysterious crack appeared last week in North Mexico, near Hermosillo, that measures about length of one kilometre long (three quarters of a mile). The giant fissure is about eight-metre (26ft) deep and five metres (16ft) wide. Geologists still don’t know what caused it, but civil engineer Rafael Rodriguez from Sonora University, said the incident may have been caused by a levee constructed by local… Continue reading Giant Fissure Crack Opens in North Mexico