ROME – Two more walls have given way inside Pompeii's 2,000-year-old archaeological site, Italian officials said Wednesday — the second collapse at the popular tourist attraction in as many days.

Officials sought to play down the latest collapses, saying they only concerned the upper parts of two walls that had no artistic value. But the repeated damage at one of the world's most important archaeological sites is proving an embarrassment for Italy, and giving credence to accusations that the entire ancient city is in a state of decay.

The collapses have drawn the attention of the UNESCO experts, who will travel to Pompeii on Thursday to inspect the damage and look for other possible areas at risk....