Outdoor Scenes - National Geographic

National Geographic - Inspiring People to Care About the Planet Since 1888

http://www.nationalgeographic.com/

Outdoor Scenes - Week 9 Gallery - Traveler Photo Contest 2011 - National Geographic

http://travel.nationalgeographic.com/travel/traveler-magazine/photo-contest/entries/gallery/outdoor-scenes-week-9/#/45435_0_608x911.jpg

英汉双解国家地理（09.4.20-4.26）ttp://www.360doc.com/content/09/0502/16/88761_3346059.shtml