Bus safety overhaul launched in Jinan, Shandong (1/3)

A worker checks a movable window that is newly installed on an air-conditioned bus in Jinan, Shandong province on July 8, 2014. In a safety overhaul carried out on the city’s 4700 buses, air-conditioned buses with fixed windows have now been fitted with movable ones. [Photo: China News Service/ Zhang Yong]