题目

Exploring a stadium is interesting. Without a game to focus on, you can actually appreciate the size and design of these places.Raymond James StadiumIt offers a 75-minute tour showing visitors the inner workings of the Tampa Bay Buccaneers’ home stadium and the field. The stadium store has over 2,000 items. Tours run Mondays through Thursdays. Advance reservations are not required, but because tours may be cancelled, visitors should call (813)350-6500 to confirm a tour is running that day.Tropicana FieldIt offers 90-minute tours on weekdays. Some restricted areas that tour groups visit are t16与20的最大公因数是__________．