The tweet says “I consider it very serious, unworthy and a sign of great incivility that a tourist defaces one of the most famous places in the world, the Colosseum, to engrave the name of his fiancée. I hope that whoever did this will be identified and sanctioned according to our laws.”

Source: https://www.buzzfeed.com/audreyworboys/bad-tourists-colosseum-carving