May 11, a reading booth was set at Ping’anli station BJL4. This is the first M-library set at a metro station. Passengers can read classic books recommended by BJMTR and National Library free by scanning the 2-dimension code at the reading booth with their cell phones. On that day, the second phase activity themed as “WENJIN 10 Years” was staged. This activity will last for 2 months, passengers could borrow books awarded by WENJIN Book Award in the late 10 years free at Ping’anli station every Saturday.