<prompt> Rangarira ndima iri pasi apa uye ipapo pindura mubvunzo gare gare mumutauro mumwe chetewo sechikamu: Nhoroondo: Lou Yun akatanga kurovedza muviri paHangzhou Sports School for Amateurs, uye mugore rimwe chetero akapindawo muchikoro chemitambo chedunhu reZhejiang. Akasarudzwa kuchikwata cheNational Gymnastics muna 1977. Anozivikanwa nokuda kwokugona kwake kuita vault, akakunda 1987 World Championships muchiitiko ichocho, mukuwedzera kumenduru dzake mbiri dzendarama. Mubvunzo: Akagamuchira menduru dzomunzvimbo yokutanga ngani?  <response>: menduru mbiri dzendarama 