It is about 5,000 years old. - How old is Stonehenge?, Some people believe it was built as a place to worship the sun. - Why did they build Stonehenge?, Visitors damage the stones, and traffic pollution also threatens them. - What problems does Stonehenge face?, Wet, humid weather, vegetation, and tourists damage the temples. -  What problems do the temples face? (Angkor Wat), Yes, they are. About 600,000 tourists visit them every year. - Are the temples of Angkor Wat a popular holiday destination? How do you know?, Conservationists are working to protect them. - Who is working to preserve the temples?,

questions

列印
嵌入

排行榜

視覺風格

選項

切換範本

恢復自動保存: ?