Kavya takes a deep breath and raises her hand. In a noisy city like Bengaluru, she can't be quiet forever.
"When caterpillars grow up, they become butterflies," Kavya says. "That's right!" Laila Miss says. "Caterpillars are only caterpillars for a few weeks," Kavya says. "They spend that whole time eating leaves." "They must get very big," says Mary, her classmate. "They do!" "After they eat and eat and eat, caterpillars weave cocoons on the sides of plants. They go inside, where they grow and change," says Kavya.
"That's correct," Laila Miss says. "They stay in the cocoons for about two weeks. When they come out, they are butterflies." "Look, we're at the park!" Mary says. Kavya gasps. The park is covered in butterflies!
Blue butterflies the color of rivers. Yellow butterflies the color of sunlight. Orange butterflies the color of ripe chikoos. Black-and-white butterflies the colors of starry skies. These are all the colors Kavya misses from her village. She feels her heart flutter.
"Every year, butterflies travel thousands of kilometers to come to this park. They are here for more food, better weather, and a safe place to lay eggs," Laila Miss says. "This journey is called migration."

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