Synopsis

Perched atop the plateau overlooking Athens, the Acropolis stands as a testament to some of the world's most extraordinary architecture. The marble structures there, erected in the fifth century BC—most notably the Parthenon— embody the pinnacle of classical Greek artistry. NOVA explores how the city's polluted air generates acid rain, which relentlessly erodes the marble sculptures and columns. Furthermore, it examines the deterioration of iron tiles, widely used in repairs four decades ago; th