chg structure instances to use culture-height for placement
chg structure instances to use culture-height for placement

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