Common Architectural Conservation/preservation Problems
The earliest building materials used by ancient peoples, such as wood and mud, were organic. Organic materials were used because they were plentiful and renewable. Unfortunately, the organic materials used were also very susceptible to the two most significant impediments to preservation and conservation: the elements, and life (both human and animal). Over time inorganic materials like brick, stone, metal, concrete, and terra cotta began to be used by ancient people instead of organic ones, due to their durability. In fact, we know that these materials are durable because many ancient structures that are composed of them, even some built as far back as the Bronze Age, like Egypt's Great Pyramids, still stand today.
Ancient buildings such as the Egyptian pyramids, the Roman Colosseum, and the Parthenon face common preservation issues. The most prominent factors affecting these structures are the environment, pollution, and tourism.
As the Earth's climate patterns change, so too do the environmental conditions governing these buildings. For example, the Colosseum has already faced lightning, fire, and earthquakes. The changing climate increases the accumulation of salt crystals on the outside of monuments like the Colosseum and the Parthenon. This phenomenon increases the deterioration of these buildings.
The salt crystals further contribute to the black effect that man-made pollution has on these buildings. The Parthenon is especially exposed and many of the remaining marbles are eroding to the point that they may no longer be identifiable. The pollution from corrosive agents in the air has also attributed to this deterioration.
The third factor affecting ancient building conservation is tourism. While tourism provides both economical and cultural benefits, it can also be destructive. The Egyptian tomb of Seti the 1st is currently off limits to the public due to the deterioration that has been caused by tourists. The pyramids in Giza have also encountered problems due to large numbers of tourists; more tourists mean greater humidity and water presence, which can lead to erosion.
All of the above factors complicate the conservation options available to treat these buildings.
Read more about this topic: Architectural Conservation
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