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In this July 2, 2015 photo, a rice paddy cracks in Nakhon Ratchasima, Thailand. Thailand's rainy season officially began in the last week of May, but it rained only once in the Ban Lueam district in northeastern Nakhon Ratchasima province. Thailand's rainy season officially began in the last week of May, but it rained only once in the Ban Lueam district in northeastern Nakhon Ratchasima province. It is one of more than 250 districts - or nearly 20 percent of the country - that have been declared emergency disaster zones as the prolonged drought becomes the worst in decades. (AP Photo/Sakchai Lalit)