sentence: In 1990 the Colosseum was put onto the list of the heritage of humanity by UNESCO , while in 2007 it was included among the new Seven Wonders of the World .
modified: In 1990 the Colosseum was put into the list of the heritage of humanity UNESCO while in 2007 it was included among the new Seven Wonders of the World .
transformation: PREP, PREP, PUNCT