Gömböc
Copies of the gömböc have been donated to institutions and museums , and the largest one was presented at the World Expo 2010 in Shanghai in China . 
<triplet> World Expo 2010 <subj> 2010 <obj> point in time <subj> Shanghai <obj> located in the administrative territorial entity <subj> China <obj> country <triplet> Shanghai <subj> China <obj> located in the administrative territorial entity <triplet> China <subj> Shanghai <obj> contains administrative territorial entity