Itangira ry'itumba rizwi nka rimwe muri Li enye, rifite imigenzo n'imico myinshi, nko kurya amadafu, koga mu gihe cy'itumba no kwishyura igihe cy'itumba.

Igihe cy'izuba cya "Intangiriro y'itumba" kiba ku ya 7 cyangwa 8 Ugushyingo buri mwaka. Mu bihe bya kera, Abashinwa bafataga Intangiriro y'itumba nk'intangiriro y'itumba. Mu by'ukuri, itumba ntiritangira icyarimwe, uretse uturere two ku nkombe z'Amajyepfo y'Ubushinwa, tudafite itumba umwaka wose, na Qinghai-Tibet Plateau, ifite itumba rirerire ritagira icyi. Dukurikije amahame y'ikirere yo kugabanya ibihe bine, niba ubushyuhe bwa pentad mu gice cya kabiri cy'umwaka buri munsi ya 10℃ nk'itumba, imvugo ivuga ngo "intangiriro y'itumba ni intangiriro y'itumba" ihuye cyane n'amategeko agenga ikirere yo mu karere ka Huang-Huai. Mu turere two mu majyaruguru y'Ubushinwa, Mohe n'uturere two mu majyaruguru y'imisozi miremire ya Khingan bitangira mu itumba mu ntangiriro za Nzeri, naho mu murwa mukuru Beijing, itumba ritangira mu mpera z'Ukwakira. Mu kibaya cy'uruzi rwa Yangtze, itumba ritangira cyane hafi y'igihe cy'izuba cya "urubura rworoshye".