When you go to the Forbidden City,[enjoy]
all of the interesting things you see there.But also make [sure] you don't do anything to hunt this valuable part of Chinese history.
1.Wear soft-sole shoes.The ground of the Forbidden City is covered [with] very old bricks.Shoes with hard or metal soles could [break] them.
2.Don't overcrowd the places you xisit in the Forbidden City.Pushing the walls and pillars could cause [serious] damage.Also,don't write on anything in the City.
3.[Never] take photos of old things in the museum.too much [light] is bad for old paintings and other relics.
[ ]里面的单词为答案!