Ảnh hiếm National Geographic về hang Sơn Đoòng

20:00 16/09/2013

Hinh anh hang son doong national geographic ghi lai dac sac-Hinh-2

Hinh anh hang son doong national geographic ghi lai dac sac-Hinh-3

Hinh anh hang son doong national geographic ghi lai dac sac-Hinh-4

Hinh anh hang son doong national geographic ghi lai dac sac-Hinh-5

Hinh anh hang son doong national geographic ghi lai dac sac-Hinh-6

Hinh anh hang son doong national geographic ghi lai dac sac-Hinh-7

Hinh anh hang son doong national geographic ghi lai dac sac-Hinh-8

Hinh anh hang son doong national geographic ghi lai dac sac-Hinh-9

Hinh anh hang son doong national geographic ghi lai dac sac-Hinh-10