1 Complete the sentences. Use: threaten, face, damage, survive, preserve, worship.
1 Visitors and traffic pollution damage ancient sites such as Stonehenge.
2 In the past, people used to worship the sun at Stonehenge.
3 A lot of animals face extinction nowadays.
4 The effects of global warming threaten our national monuments.
5 Conservationists are working hard to preserve ancient sites.
6 We need to act now if our historical sites are to survive.