Soosaarayaasha dharka gaarka ah ee Shiinaha, Yichen waa soo saaraha dharka gaarka ah oo loogu talagalay calaamado yar ama weyn oo gaar ah noocyada dharka ee adduunka oo dhan. Yichen waxay soo saartaa dhar u gaar ah kuwa bilawga ah waxayna ku takhasustay dharka, dushooda, goonooyinka, boodada, surwaalka, gaaban, suudadka, jaakadaha, jaakadaha ragga iyo dumarka, shaadhka iyo gunta hoose ee haweenka, gabdhaha iyo haweenka.