The document discusses the seven wonders of the modern world as defined by the New 7 Wonders Foundation in 2007. It provides details on the location, date of construction, and key facts about each of the seven wonders: the Great Wall of China, Petra, Christ the Redeemer, Machu Picchu, Chichen Itza, the Colosseum, and the Taj Mahal. The wonders were built between the 5th century BC and the early 20th century and represent remarkable constructions from around the world.