Visitors take  selfies in front of the Taj Mahal in Agra, India, today. India is to restrict the number of daily visitors to the 17th century monument  in an effort to preserve it. Photograph: Dominique Faget/AFP/Getty Images

Authorities in charge of the Taj Mahal have decided to cap the number of local visitors to the 17th century monument at 40,000 per day, for environmen(...)