TY CONF TI ALEKSEEVO-AKATOV MONASTERY BEFORE PERESTROIKA IN STONE KW monastery KW wooden complex KW reconstruction in stone KW Voronezh province KW fire danger KW military threats KW stone construction KW temple JO ENERGY-SAVING AND ENVIRONMENTALLY SAFE TECHNOLOGIES OF THE TIMBER INDUSTRY – 2025 AU Varguzina, M.G. PY 2025 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov