Back altarpiece
Decorated wall existing behind the main altarpiece and only visible when this space is open, such as in an ambulatory
en-GB/ˈbæk ɔːltəpiːs/
en-US/ˈbæk ˈɔltɚˌpis/
Decorated wall existing behind the main altarpiece and only visible when this space is open, such as in an ambulatory