The 1993 discovery of the oldest version of a seminal Daoist text in China has provoked scholarly debate about the origins of the Daoist and Confucian traditions.
Ruins of the palace that was the seat of government for the eastern Roman and Byzantine empires for more than a millennium have been found beneath Istanbul's streets.
Renovation of the eighteenth-century Notre Dame de Bonsecours Chapel has led to the discovery of the foundations of the first chapel built on the site in 1675.