Mezue ahịrịokwu na-esonụ: Egwuregwu bọọlụ ụmụ nwoke (bọọlụ bọọlụ) bụ egwuregwu egwuregwu mba China kemgbe mbipụta nke mbụ. Asọmpi bọọlụ ụmụnwaanyị bidoro n'afọ 1987. Kemgbe afọ 1997, afọ ole a ga-enye ndị nwoke na-erubeghị afọ iri abụọ. Abụọ nke ndị ntorobịa, ụmụ nwoke n'okpuru 16 na ụmụ nwanyị n'okpuru 18, malitere kemgbe afọ 2000.
Egwuregwu Mba nke 11.