Dr. Nathan Wolley (3rd L), curator of the exhibition, explains to media the drawing plan of the Forbidden City by the legendary Lei Family, at the media preview of the Celestial Empire: Life in China 1644-1911 exhibition at the National Library of Australia in Canberra, Dec. 8, 2015. A color drawing by China's legendary architecture family, the Lei Family, was unveiled Tuesday at the National Library of Australia in Canberra as part of the Celestial Empire: Life in China 1644-1911 exhibition which opens for media preview. (Xinhua/Justin Qian)

Zhu Zhenbin (2nd R), from National Library of China, rolls out the drawing plan of the Forbidden City by the legendary Lei Family, at the media preview of the Celestial Empire: Life in China 1644-1911 exhibition at the National Library of Australia in Canberra, Dec. 8, 2015. A color drawing by China's legendary architecture family, the Lei Family, was unveiled Tuesday at the National Library of Australia in Canberra as part of the Celestial Empire: Life in China 1644-1911 exhibition which opens for media preview. (Xinhua/Justin Qian)

Photo taken on Dec. 8, 2015 shows part of the drawing plan of the Forbidden City by the legendary Lei Family, at the media preview of the Celestial Empire: Life in China 1644-1911 exhibition at the National Library of Australia in Canberra. A color drawing by China's legendary architecture family, the Lei Family, was unveiled Tuesday at the National Library of Australia in Canberra as part of the Celestial Empire: Life in China 1644-1911 exhibition which opens for media preview. (Xinhua/Justin Qian)

Member of ACT Legislative Assembly Dr. Chris Bourke (L) and Chairman of the National Library of Australian Council Ryan Stokes look at the drawing plan of the Forbidden City by the legendary Lei Family, at the media preview of the Celestial Empire: Life in China 1644-1911 exhibition at the National Library of Australia in Canberra, Dec. 8, 2015. A color drawing by China's legendary architecture family, the Lei Family, was unveiled Tuesday at the National Library of Australia in Canberra as part of the Celestial Empire: Life in China 1644-1911 exhibition which opens for media preview. (Xinhua/Justin Qian)