Modern Marvels
Line of Defense (7x41)
Sæsonafslutning
Udgivelsesdato: Dec 19, 2000
Fortification evolved as man tried to defend his territory from attack. From fenced-in hills to walled cities to impenetrable forts, strongholds of the past echo the history of battles for territorial control.
- Premieret: Nov 1992
- Afsnit: 851
- Følgere: 75
- Slut
- History
- Søndag på 22