How did bridges evolve in size from tiny bamboo walkways spanning streams to long suspension bridges connecting distant islands? How did buildings surge in stature from ground-hugging houses to cloud-busting skyscrapers? We reveal evolutionary engineering leaps that enabled different types of structures to explode from big to bigger to biggest.
| Season | From | To | Episodes |
|---|---|---|---|
| All Seasons | |||
| Specials | 0 | ||
| Season 1 | March 2008 | April 2008 | 4 |
| Season 2 | July 2009 | September 2009 | 10 |
| Season 3 | July 2011 | August 2011 | 6 |
| Unassigned Episodes | 0 |
| Season | From | To | Episodes |
|---|---|---|---|
| All Seasons | |||
| Season 1 | March 2008 | April 2008 | 4 |
| Season 2 | July 2009 | September 2009 | 10 |
| Season 3 | July 2011 | August 2011 | 6 |
| Unassigned Episodes | 0 |
| Season | From | To | Episodes |
|---|---|---|---|
| Season 1 | 0 | ||
| Unassigned Episodes | 20 |
| Name | Number of Episodes | Dates | |
|---|---|---|---|
| Robert Hartel | 5 | 03/25/2008 - 09/08/2009 | |
| Martin Gorst | 5 | 08/04/2009 - 08/02/2011 | |
| Stephen Bonser | 4 | 09/01/2009 - 09/22/2009 | |
| Peter Oxley | 3 | 07/28/2009 - 09/08/2009 | |
| Ian Bremner | 2 | 04/08/2008 - 04/15/2008 | |
| Kenny Scott | 1 | 09/15/2009 |
| Name | Number of Episodes | Dates | |
|---|---|---|---|
| Lucy Haken | 1 | 09/01/2009 | |
| Tom Cook | 1 | 09/15/2009 |
| Name | Number of Episodes | Dates | |
|---|---|---|---|
| Jem Stansfield | N/A |
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