A watan Satumba na shekarar 1969, an gano wani tsohon sassaka na kasar Sin mai suna Dokin Tagulla na Tagulla, a kabarin Leitai na daular Han ta Gabas (25-220) a gundumar Wuwei da ke lardin Gansu na arewa maso yammacin kasar Sin.Hoton, wanda kuma aka sani da Galloping Horse Treading on Flying Swallow, babban madaidaicin ƙwararren ƙwararren ƙira ne wanda aka ƙirƙira kusan shekaru 2,000 da suka gabata.A wannan watan Agusta, gundumar Wuwei ta gudanar da jerin abubuwan da suka faru don tunawa da wannan binciken mai ban sha'awa.