But perils like earthquakes, car fumes, vandals, and thieves have taken a heavy toll on these treasures, like this ancient wall outside Rome, stripped by looters of much of its decorative marble.

• 但地震，汽车尾气，汪尔达人(故意破坏艺术者)和盗贼等带来的危害使得这些珍宝付出了沉重的代价，如图中这座罗马城外的古墙上面的装饰用大理石已经被掳夺殆尽。