I don't see a lot of written descriptions about these mosaics, only that they seemed to be on display for the MOC - 2013 Train Festival in Nantou, Taiwan. Lixia_1982 posted a lot of cool pictures from the festival.
Here are a few of the mosaics:
So many of them are so stylized and cheerful. I don't normally see mosaics like those, and I really like them.