Ответ:

1 Stonehenge is 5000 y.o.

2it is believed that it was a place to worship the San.

3 visitors, traffic pollution threaten the monument.

4 wet, humid weather, vegetation and tourists are damaging theses visit it ever year.

5 yes, 600 000 tourists visit it ever year.

6 conservationists are working hard to help to preserve the temples.  

Объяснение: