Kalloyan Kollev amurikirwa ku rubuga Architectural Design Award Winners ibi bikorwa: Ibishushanyo 1 byatsindiye ibihembo, byahawe ishimwe mu byiciro: Igishushanyo cy'Ubwubatsi.
Reba icyegeranyo cy'ibikorwa byatsindiye ibihembo byakozwe na Kalloyan Kollev
Ibishushanyo byakozwe na Kalloyan Kollev
Igishushanyo cy'Ubwubatsi Arena Shumen Multifunctional Sports Hall cya Kalloyan Kollev
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Twakwishimira kumurika igikorwa cyanyu ku rubuga Architectural Design Award Winners.
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