| Title | : | 3 Incredible Feats Of Man-Made Engineering Super Structures Spark |
| Duration | : | 2 hours, 34 minutes, 45 seconds |
| Uploader | : | Spark |
| Added On: | : | 18 December, 2022 |
| Views | : | 3.6M times |
| Likes | : | 0 |
| Source | : | YouTube |
Mine- At 14,000 feet, in the remote jungles of New Guinea is the largest gold and copper deposit in the world. Getting to that deposit and building a profitable mine was one of the biggest engineering challenges ever. In 1975 an American mining company to
