Nguồn ảnh và giấy phép
Một số ảnh trên trang dùng theo giấy phép mở. Cảm ơn các tác giả dưới đây.
| Ảnh | Tác giả | Giấy phép | Nguồn |
|---|---|---|---|
| A large bomb crater with a small bush growing at its base marks the A1 Hill battlefield site in Dien Bien Phu. | Ioe2015 | CC BY-SA 4.0 | Wikimedia Commons |
| A protective canopy shelters the preserved corrugated command bunker at Dien Bien Phu battlefield, Dien Bien. | Ioe2015 | CC BY 4.0 | Wikimedia Commons |
| Grass-covered trenches and bunkers remain visible at Hill A1 (Eliane 2), Dien Bien Phu battlefield. | Adam Jones from Kelowna, BC, Canada | CC BY-SA 2.0 | Wikimedia Commons |
| Misty mountain terraces and forested slopes seen from Pha Din Pass in Dien Bien. | ChieuTimViet | CC BY 3.0 | Wikimedia Commons |
| Terraced fields and forested hills stretch beneath low clouds along the Pha Din Pass in Dien Bien. | ChieuTimViet | CC BY 3.0 | Wikimedia Commons |
| Rooftops of Muong Lay cluster beside a river with terraced hillsides and mountains in the background. | [Tycho], http://shansov.net | CC BY-SA 3.0 | Wikimedia Commons |