ANSA reports today that the Colosseum is considering limiting the numbers of tourists to 6000 at any one time. Other tourist attractions in Italy have limited visitors, most notably the Leaning Tower of Pisa, where only 30 people are allowed at the top at any one time.
The Uffizi Museum in Florence has been restricting visitors for a few years to 900 inside at a time, and in Milan there are strict visiting regulations to see the famous Da Vinci painting of The Last Supper. Only 25 people at a time can view this painting and you have to get tickets up to six months in advance for the privilege.
No explanation was given as to the proposal to limit tourist numbers inside the Colosseum, but with pieces of rock falling and an upcoming restoration scheduled to begin in March, it is not too surprising.