<prompt> Qedela umusho olandelayo: Lolu hlobo lokuzungeza, amaGrikhi ayekubiza ngokuthi ἀποτειχισμός futhi περιτειχισμός, lwalusetshenziswa amaPeloponnesians ekuvinjezelweni kwePlataea Thucyd. ii.78, iii.20-23. Imigqa yawo yayakhiwa izindonga ezimbili ngokusobala ezazakhiwe ngotshani eziqhele ngamamitha angu-16, ezazizungeze umuzi ngendlela eyisiyingi. Phakathi kwezindonga kwakunezindlwana zabavimbezeli. Izindonga zazinemibhoshongo ἐπάλξεις, futhi emibhoshongweni eyishumi ngayinye kwakunombhoshongo, owawugcwalisa wonke umkhawulo phakathi kwezindonga ngokujula kwawo. Kwakunendledlana yezitha phakathi kombhoshongo ngamunye. Ngaphandle kodonga ngalunye kwakunomsele τάφρος. Le ncazelo cishe izophendula ngendlela yamaRoma yokuzungeza, ezinye zezibonelo ezinhle kakhulu yilezo zaseCarthage eTunisia yanamuhla nguScipio u-Appian, uPunic. 119, c., lokho kweNumantia eSpain yanamuhla nguScipio u-Appian, uHispan. 90, kanye no-  <response>: I-Alesia eFrance yanamuhla kaKesari Bell. Gall. vii.72, 73. Imibhoshongo eyayisemigqeni enjalo yayifana naleyo eyayisetshenziselwa ukuhlasela izindawo eziqinisiwe, kodwa yayingaphakeme kangako, futhi ngokusobala yayingenakunyakaziswa. Lipsius, de Milit. Rom. v.5, in Oper. iii. amakhasi 156, 157; Poliorc. ii.1, in Oper. iii.283. 