BULGARIA Rila Nativity Church from balcony through arch Rila Monastery. Travel Tourism Holiday Vacation Explore Recreation Leisure Sightseeing Tourist Attraction Tour History Historic Historical Nativity Church Religion Religious Building Architecture Architectural Tranquility Tranquil Calm Peaceful Christianity Orthodox Holy Divine Christian Theology Pray Prayer Worship Worshipping Worshiping Faith Bulgaria Bulgarian East Eastern Europe European Calendar Vivid Vibrant Rila Monastery Monastic Ornate Intricate UNESCO World Heritage Site Rilski Museum Summer Bright Sunny Sun Monument National Arches Arch Arched Balcony Blue Sky Stripes Stripe Striped Symmetry Symmetrical Graphic Banister Dome Frame Framed Framing Eastern Europe