Caves in Bulgaria
| Subject: Geography | |
| Level: High School | |
| Provider: Second English language school ”Thomas Jefferson” | |
| Author: Mariana Boshnakova | |
| Language: English | |
| Abstract: The beauty of the Bulgarian nature has many faces. It is not limited to unique rock formations, majestic mountains, beautiful landscapes and scenic areas. Much of its impressive sites are hidden underground. |
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