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The children are transported by boat to go to school near homes surrounded by an invasive plant species called water hyacinth plant, also known as Eichhornia crassipes, Thursday, April 30, 2026, in Buenavista, Colombia. (AP Photo/Ivan Valencia)

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A boat navigates between homes surrounded by an invasive plant called a water hyacinth, also known as Eichhornia crassipes, in Nueva Venecia, Colombia, Thursday, April 30, 2026. (AP Photo/Ivan Valencia)

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Girls walk to school surrounded by an invasive plant called a water hyacinth, also known as Eichhornia crassipes, Thursday, April 30, 2026, in Buenavista, Colombia. (AP Photo/Ivan Valencia)

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A heron tries to fly from an invasive plant called a Hydrilla verticillata that coats the water Thursday, April 30, 2026, on the outskirts of Nueva Venecia. (AP Photo/Ivan Valencia)