Tag Archives: Son doong

Son Doong Cave one of global tourist attractions in 20 years

Son Doong (Quang Binh – Province) has a length of at least 6.5 kilometres and is estimated to be 200 metres in width and at least 150 metres in height (while its very largest chamber is an incredible 250 metres in height, enough space to accommodate 40-storey skyscrapers).