Пре­об­ра­зуй­те, если это не­об­хо­ди­мо, слово KEEP так, чтобы оно грам­ма­ти­че­ски со­от­вет­ство­ва­ло со­дер­жа­нию тек­ста.

People from all over the world can see the traditional palace architecture, enjoy the treasures _____ in the palace, and learn of the legends and anecdotes about the imperial family and the court.