deterioration

The article reports on damage assessment of Ludwig Heller’s House – one of the architectural monuments affected by the Russian missile attack on the city of Lviv on September 4, 2024. The authors took part in the on the ground research first as part of the local commission on September 6, and later within the joint UNESCO-ICCROM mission on September 2-5, 2024.

The article presents a detailed description of the conservation state of the unique gothic alabaster portal of the parish church in Drohobych. It also defines the position of the portal in the plan of the church. The main reasons and consequences of the deterioration of the alabaster stone are established. The article studies and supplements the historical background on the portal's foundation and the changes that arose during the reconstruction in the twentieth century.