(AGI) Milan, Oct 15 - On Wednesday, Milan Expo 2015 crossed thethreshold of 20 million entrance tickets sold. "We crossed thepsychological threshold of 20 million tickets issued, and Imean 20 million issued with our ticketing platform's excisestamp, thus for sure", said Expo Sole Commissioner, GiuseppeSala, on Radio RTL 102.5's "Non Stop News" on Thursday morning."We are at almost at 19 million entries. It is clear that atthis late stage many people still have a ticket in theirpockets and will come. However, the news of the day is that wehave passed the milestone of 20 million tickets issued, solet's put the numbers behind us a bit and look at the contentsof this Expo. Every day is an important moment of celebration,of debate, and of events. In recent days, we have been workinghard to prepare for the visit of UN Secretary General BanKi-Moon and our President Mattarella, who will come tomorrow."(AGI). .