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In page Euboea:

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In the 1980s, the Dystos lake was filled with grass which was set on fire by farmers to make more farmland. This act caused devastation of much of the plants and the environment in that area.[citation needed] A part of the lake later regenerated. Also the municipalities of Anthidona and Avlida in the mid to late 20th century, which once were part of Boeotia, reverted to Chalcis.[citation needed] Since then, the postal codes have corresponded with the rest of Euboea, including Skyros.