anh 9 unit 8 skills 1 Located in Quang Binh Province, Son Doong Cave was discovered by a local man named Ho Khanh in 1991, and became known internationally in 2009 thanks to British cavers, led by Howard Limbert. The cave was formed about 2 to 5 million years ago by river water eroding away the limestone underneath the mountain. It contains some of the tallest known stalagmites in the world - up to 70 metres tall.The cave is more than 200 metres wide, 150 metres high, and nearly 9 kilometres long, with caverns big enough to fit an entire street inside them. Son Doong Cave is recognised as the largest cave in the world by BCRA (British Cave Research Association) and selected as one of the most beautiful on earth by the BBC (British Broadcasting Corporation).. tiếng anh 10 unit 8 looking back Một bí quyết nhỏ: khi mô tả phong cảnh, hãy xen kẽ từ cảm xúc và chi tiết thực tế để bài nói vừa chân thật vừa lôi cuốn. tiếng anh 8 unit 4 a closer look 2 Xem thêm lời giải bài tập Tiếng Anh lớp 9 Global Success (bộ sách Kết nối tri thức) hay khác:
