Between 1983 and 1986, the  Antisuyo expeditions of the Amazon Archaeology Institute, identified and thoroughly documented diverse groups of undiscovered mausoleums like the ones in Ochín and many others in the surrounding areas of Revash.
Between 1983 and 1986, expeditions of the Amazon Archaeology Institute identified and meticulously documented various groups of undiscovered mausoleums like those in Ochín and numerous others in the surrounding areas of Revash.