Building with natural materials (Radio Interview)

EN: Interview in the Bulgarian National Radio on the topic: “Why is the interest in building with natural materials growing?”: https://bnr.bg/sofia/post/101943959/arh-veselin-veselinov (BG Language)

BG: Интервю в БНР на тема: “Защо расте интересът към строителството с естествени материали?”:  https://bnr.bg/sofia/post/101943959/arh-veselin-veselinov