The Turkish government has admitted that many homes built in Turkey's earthquake zones are not able to withstand earthquakes like the one on Monday that killed 51 people and left hundreds homeless in the winter cold.
Quake survivors in five villages spent the night in tents and around bonfires.
Health Minister Recep Akdag said mud-brick homes common in impoverished villages across the country collapse easily, trapping people inside.
Turkey lies on top of two major fault lines, the North Anatolian Fault and the East Anatolian Fault and it is not just small villages and towns that are at risk.
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