| Artist | : | How Millions of Refugees Dug Water-Retention Pits to Turn 100,000 Hectares of Desert into Farmland |
| Title | : | Top Discoveries |
| Duration | : | 886 |
| Source | : | Youtube |
| Type of file | : | Audio/Video (.mp3 .mp4) |
| Artist | : | How Millions of Refugees Dug Water-Retention Pits to Turn 100,000 Hectares of Desert into Farmland |
| Title | : | Top Discoveries |
| Duration | : | 886 |
| Source | : | Youtube |
| Type of file | : | Audio/Video (.mp3 .mp4) |