Monumental Upkeep Gives History a Helping Hand

(Wired) - Intrepid tourists travel thousands of miles and spend thousands of dollars just to experience historic marvels with their own eyes. The irony is that much of what they're seeing is the work of ongoing upkeep, the replication of what it probably used to look like.
To mark the 2001 reopening of the Leaning Tower of Pisa after a fix that kept it from falling over, we take a look at the preservation efforts of other epic monuments. Continued

Photo: Library of Congress