By 1955, carbon dioxide, heat, humidity, and other contaminants produced by 1,200 visitors per day had visibly damaged the paintings. ... Consequently the cave was closed to the public in 1963, the paintings were restored to their original state and a monitoring system on a daily basis was introduced
In the amigo brothers, the fact that the brothers are not quite against each other is an example of foreshadowing because it suggests that later on in the story, they won't want to compete against each other.
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enhanced, because it is a raised stage with curtains they could open and close the curtains, it also allowed for an orchestra pit, made more room on the stage, more elaborate scenerty
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