Very large with impressive collection of artwork. ...

Very large with impressive collection of artwork. Staff all friendly and helpful. Huge queue when upon entry (even though we booked a timeslot) which resulted in a 15-minute wait, but no queue when we left so assume it's not the norm. Very busy inside, which made seeing some of the exhibits time-consuming/frustrating (was a Saturday early afternoon though, which explains high demand), but overall a good experience.