A single termite can be barely bigger than the moon of a fingernail, its semi-transparent exoskeleton as vulnerable to sunlight as to being crushed by a child in flip-flops. But in groups of a million or two, termites are formidable architects, building mounds that can reach 17 feet (5 meters) and higher.
The 33 pounds (15 kilograms) or so of termites in a typical mound will, in an average year, move a fourth of a metric ton (about 550 pounds) of soil and several tons of water.
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