Bora Bora and its lagoon, South Pacific, French Polynesia

© Frederick Millett/Shutterstoc

Born on fire, held by water. International Day of the Tropics

Observed each June 29, the International Day of the Tropics spotlights a vast region stretching between the Tropics of Cancer and Capricorn, where warmth and rainfall shape daily life. This zone covers about 40% of Earth's surface area, yet supports around 80% of global biodiversity, making it central to planetary health and culture.

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