by Joshua Hammer

On a sweltering summer afternoon, Antonio Irlando leads me down the Via dell'Abbondanza, the main thoroughfare in first-century Pompeii. The architect and conservation activist gingerly makes his way over huge, uneven paving stones that once bore the weight of horse-drawn chariots.

We pass stone houses richly decorated with interior mosaics and frescoes, and a two-millennial-old snack bar, or Thermopolium, where workmen long ago stopped for lunchtime pick-me-ups of cheese and honey. Abruptly, we reach an orange-mesh barricade. "Vietato L'Ingresso," the sign says—entry forbidden. 

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Source: http://www.smithsonianmag.com/