加入九 科学与技术即将举行的活动，地点：Bulgaria。 Bulgaria is a country in southeastern Europe known for its vibrant culture, stunning landscapes, and rich history, offering a diverse range of attractions from ski resorts in the Pirin and Rila Mountains to sunny beaches along the Black Sea coast, as well as numerous historical sites such as the ancient city of Nessebar, the Rila Monastery, and the Kazanlak Thracian Tomb, making it an ideal destination for tourists seeking a unique and memorable experience.
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