IBala Lemidlalo laseBeijing, ngokusemthethweni iBala Lemidlalo leSizwe [3] (isiTshayina: 国家体育场; pinyin: Guójiā Tǐyùchǎng; ngokoqobo: "Ibala lemidlalo leSizwe"), elikwabizwa ngokuba yiNdlwane yeeNtaka (鸟巢; Niǎocháo), libala lemidlalo eBeijing. Ibala lemidlalo (BNS) layilwa ngokudibeneyo ngabayili bezakhiwo uJacques Herzog kunye noPierre de Meuron waseHerzog & de Meuron, umyili weprojekthi uStefan Marbach, umzobi uAi Weiwei, kunye neCADG eyayikhokelwa ngumyili oyintloko uLi Xinggang. Ibala lezemidlalo laliyilelwe ukuba lisetyenziswe kulo lonke i-Olimpiki ye-2008 kunye ne-Paralympics kwaye liza kuphinda lisetyenziswe kwii-Olimpiki zaseBusika kunye nee-Paralympics zika-2022. Indlwane yeNtaka ngamanye amaxesha iba nezikrini ezinkulu zethutyana ezifakelwe kwibala lebala.