Int'l trade fair for event and media technology held in Frankfurt, Germany

Photo taken on April 10, 2018 shows lighting equipment at Prolight + Sound, an international trade fair for event and media technology, in Frankfurt, Germany. Prolight + Sound, held here from April 10 to April 13, shows a comprehensive overview of the technologies and services for entertainment, integrated systems and creation. (Xinhua/Luo Huanhuan)