The entire staircase appears to be in motion with scrolling text and images as you climb it in the local shopping centre. Very cool.
https://www.youtube.com/watch?v=-y7m9K7Kn1c&feature=youtube_gdata_player
Chengdu is also host to the new New Century Global Center which is big enough to hold 20 x Sydney opera houses. It even includes a huge 150-metre-long screen that projects artificial Sunrises and Sunsets 24 hours a day to protect residents from local smog.