Complex sentence: Before the Chinese invasion his body was buried and decayed and when the regional house (khang tshan) was rebuilt in the 1980s, his bones were exhumed and are today placed inside the altar's clay statue in the regional house temple.
Split into simpler sentences: Before the Chinese invasion his body was buried and decayed and when the regional house (khang tshan) was rebuilt in the 1980s, his bones were exhumed. These are today placed inside the altar's clay statue in the regional house temple.