Visitors watch the photovoltaic products during the 2013 international photovoltaic exhibition in east China's Shanghai Municipality, May 14, 2013. The four-day exhibition, with the participation of more than 1,500 exhibitors, opened here Tuesday. (Xinhua/Lai Xinlin)
Visitors watch the photovoltaic products during the 2013 international photovoltaic exhibition in east China's Shanghai Municipality, May 14, 2013. The four-day exhibition, with the participation of more than 1,500 exhibitors, opened here Tuesday. (Xinhua/Lai Xinlin)
Visitors watch the photovoltaic products during the 2013 international photovoltaic exhibition in east China's Shanghai Municipality, May 14, 2013. The four-day exhibition, with the participation of more than 1,500 exhibitors, opened here Tuesday. (Xinhua/Lai Xinlin)
Visitors watch the models of photovoltaic products during the 2013 international photovoltaic exhibition in east China's Shanghai Municipality, May 14, 2013. The four-day exhibition, with the participation of more than 1,500 exhibitors, opened here Tuesday. (Xinhua/Lai Xinlin)
Photo taken on May 14, 2013 shows a displayed photovoltaic product during the 2013 international photovoltaic exhibition in east China's Shanghai Municipality. The four-day exhibition, with the participation of more than 1,500 exhibitors, opened here Tuesday. (Xinhua/Lai Xinlin)
Visitors watch the photovoltaic products during the 2013 international photovoltaic exhibition in east China's Shanghai Municipality, May 14, 2013. The four-day exhibition, with the participation of more than 1,500 exhibitors, opened here Tuesday. (Xinhua/Lai Xinlin)
A visitor watches a photovoltaic product during the 2013 international photovoltaic exhibition in east China's Shanghai Municipality, May 14, 2013. The four-day exhibition, with the participation of more than 1,500 exhibitors, opened here Tuesday. (Xinhua/Lai Xinlin)