Fair enough. The ICC Rome Statute specifically refers to the Geneva Conventions of 12 August 1949. But per the ICC Rome statute on war crimes, Article 8, Section 2, Subsection (b), Clause (ix), the following is a war crime: "Intentionally directing attacks against buildings dedicated to religion, education, art, science or charitable purposes, historic monuments, hospitals and places where the sick and wounded are collected,provided they are not military objectives;"