Int'l Trade Fair for Industrial Building and Infrastructure Building Industry Solutions held in Poland

An exhibitor shows a mobile phone with a thermal sensor during Building Industry Solutions at the Ptak Warsaw Expo International Exhibition and Congress Center in Nadarzyn near Warsaw, Poland, on Sept. 26, 2018. International Trade Fair for Industrial Building and Infrastructure Building Industry Solutions is held here from Sept. 26 to Sept. 28. The event is addressed to companies and individuals looking for new technologies, materials and products related to the building industry. (Xinhua/Jaap Arriens)