Drawing 2: San Cristóbal.
San Cristóbal illustrates a principle known as "defense in depth," in which each part of a fort supports, and is supported by, one or more other parts. This system means that even if an enemy breaks through an outer barrier, there are higher and stronger sections that the defenders can use to drive out the attackers.
Questions for Drawing 2 & Photo 2
1. Refer to the paragraphs on San Cristóbal in Reading 2. Which of the elements mentioned therethe city wall, the cavalier, the moat, the plaza de armas and the hornworkcan you label on Drawing 2?
2. How do the Santiago ravelin, the Trinidad counterguard, the great moat, and the hornwork illustrate "defense in depth"?
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