| No | Short Description | Difficulty | Open | |
|---|---|---|---|---|
| 1 | Sustainable Farming | |||
| 2 | Rachel Carson | |||
| 3 | Sustainable Business | |||
| 4 | Power of Music | |||
| 5 | Turing | |||
| 6 | Printing Press | |||
| 7 | Space Exploration | |||
| 8 | Internet | |||
| 9 | Photography | |||
| 10 | Silk Road | |||
| No | Short Description | Difficulty | Open | |
|---|---|---|---|---|
| 1 | Sustainable Farming | |||
| 2 | Rachel Carson | |||
| 3 | Sustainable Business | |||
| 4 | Power of Music | |||
| 5 | Turing | |||
| 6 | Printing Press | |||
| 7 | Space Exploration | |||
| 8 | Internet | |||
| 9 | Photography | |||
| 10 | Silk Road | |||