Gary Millar, mayor of Liverpool addresses the opening ceremony of the exhibition on Chinese Old Summer Palace (Yuanmingyuan) held at the View Two gallery in Liverpool, Britain, Aug. 19, 2013. More than 20 computer-drawn pictures on Yuanmingyuan' rebuilding and a video clip demonstrating more than 100 original scenes in the garden are presented at the exhibition, by a team led by Guo Daiheng, a senior architect and professor with the School of Architecture at China's Tsinghua University. (Xinhua/Yin Gang)

Guo Daiheng (L), a senior architect and professor with the School of Architecture at China's Tsinghua University introduces the rebuilding process at the exhibition on Chinese Old Summer Palace (Yuanmingyuan) held at the View Two gallery in Liverpool, Britain, Aug. 19, 2013. More than 20 computer-drawn pictures on Yuanmingyuan' rebuilding and a video clip demonstrating more than 100 original scenes in the garden are presented at the exhibition, by a team led by Guo. (Xinhua/Yin Gang)

Visitors are seen at the exhibition on Chinese Old Summer Palace (Yuanmingyuan) held at the View Two gallery in Liverpool, Britain, Aug. 19, 2013. More than 20 computer-drawn pictures on Yuanmingyuan' rebuilding and a video clip demonstrating more than 100 original scenes in the garden are presented at the exhibition, by a team led by Guo Daiheng, a senior architect and professor with the School of Architecture at China's Tsinghua University. (Xinhua/Yin Gang)