Lea Estelle Thierry managed in 2016 a scientific architectural survey and wrote a report about damage assessment. Also, provided a suggestion for a possible protective roofing – Images of that can be found below, at the end of this page.

The reports are available (in German) as PDFs.

Text: Architectural Survey

Text: Damage Assessment

Damage Assessment Mapping


Line Drawings

Building Materials

architectural survey

Proposal for a protective roofing. Click image for large version.