clean up ContentManager before destruction, because destruction can happen very late
clean up ContentManager before destruction, because destruction can happen very late

markraz/vtp,markraz/vtp,nakijun/vtp,markraz/vtp,seanisom/vtp,nakijun/vtp,nakijun/vtp,seanisom/vtp,markraz/vtp,seanisom/vtp,nakijun/vtp,nakijun/vtp,seanisom/vtp,seanisom/vtp,markraz/vtp