Which structural effect necessitates specific orientation relative prevailing wind direction during ziggurat construction?

💡 Explanation

When wind flows past a ziggurat's stepped profile, vortex shedding occurs, because the air detaches from the edges, creating oscillating forces; matching these frequencies can cause dangerous resonance amplitude increases. Therefore minimizing wind load amplification is crucial, rather than purely erosion, solar gain, or sand accumulation, each driven by different environmental factors.

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