Doctor Who: Short Trips: Hall of the Ten Thousand

The Ten Thousand represent everything the Doctor admires. Ingenuity, creativity and triumph of peace over war. So, naturally, he's taken Charlotte Pollard to see them. However, their arrival isn't quite the gallery visit they expected. Why is everything slowly falling apart? Why is the artist refusing to see them? But for Charley, there's a question that's far more urgent. Did that statue just move?