11.   Not everyone who enters the museums revolving front door, though, is searching for a date or future mate.

12.   Only groups are admitted to the exhibition, an apparent security measure to prevent individual Falun Gong followers from entering the museum and staging a protest there.

13.   Then he entered those museums and explored.

14.   An electronic ticketing system monitors the number of people entering the museum and determines if they have left at the end of the day.

15.   He said none of the attackers made it past the guard house and entered the museum.

16.   Initially, police believed the thieves entered the museum by scaling its gates.

17.   Officials think the robbers entered the museum as visitors, then hid somewhere inside until it closed.

18.   Salah, the museum director, said none of the attackers entered the museum.

19.   Salah, the museum director, said none of the attackers made it past the guard house and entered the museum.

20.   The theft was filmed by a security camera that showed two masked men climb a ladder, enter the museum through a window and emerge with the painting.