Beijing's Subway (Metro) Art

Line 7 Happy Valley Scenic Area (欢乐谷景区)
 

Covering an area of 560,000 square metres, Happy Valley has been open to tourists since 2006 and is composed of six theme parks.

In total there are more than 40 rides (10 of which are extreme rides), an IMAX theatre complex (with seven screens) as well as a shopping complex.

Here's the calligraphic station name...

The pillars have a simple design made up of circles...

as do the walls of the escaator runs...