Ụlọ ọrụ mmepụta ihe anyị dị na Yangchun City, Guangdong Province, China, nwere ihe karịrị square mita 12,000 ma na-ewe ihe karịrị ndị ọrụ nwere nkà 400 n'ọrụ. Anyị raara onwe anyị nye inye ngwaahịa dị elu, gụnyere akpa nnyefe ngwa ngwa, akpa mkpuchi ihe, na akpa azụ, nke e mere iji gboo mkpa azụmaahịa gburugburu ụwa.