A significant part of his professional activity was devoted to Jewish buildings and sites. He was engaged in initiating, supporting, organizing the funding, and actively working on revitalization, reconstruction, and conservation of the 16th-century old Sephardic cemetery in Sarajevo. That project was prepared for a public presentation twenty-four hours before war broke out in Bosnia and Herzegovina in March 1992. Ceresnjes also surveyed and planned restorations for the Ashkenazi synagogue in Sarajevo (built in 1902), the 17th-century Il Kal Nuevu Sephardic synagogue, and the cemetery chapel on the Jewish cemetery (1926).