Petr Tetal is a multimedia producer for RFE/RL in Prague.
There are still dozens of schools in Bosnia-Herzegovina where children are divided according to their ethnicity, a system referred to as “two schools under one roof.” Usually it is Croat and Bosniak students who are separated -- which includes fences on the playgrounds -- and attend different classes, all under "one roof." This video explainer by Balkan Service correspondent Ajla Obradovic takes a look at this issue and shows how an interethnic marriage created hope within the backward system.