The 24 pageant hopefuls were taking part in the second day of outdoor activities in the northeastern province as part of the competition's preliminary round on Wednesday

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In the morning, the contestants visited the Lamtakong Jolabha Vadhana hydropower plant in Pak Chong district, which is only underground power plant in Thailand.

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In the afternoon, they joined up with Government Savings Bank workers in a tree-planting activity, doing so by shooting Makha Mong (afzelia) seeds into the air with slingshots. They then enjoyed cultural activities, such as cooking Korat-style stir-fried noodles, dancing and sharing in a meal with residents in Sikhieo district.

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Miss Thailand contestants add beauty to beauty spots

Contestants in the Miss Thailand World 2019 pageant put some of the traditional glamour aside when they went for the hard hat look in a tour of Nakhon Ratchasima.