12 of the most amazing man-made structures
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7. Tiger’s Nest, BhutanGuru Rinpoche allegedly flew to this cliff-face perch on the back of a tiger and Paro Taktsang – or Tiger’s Nest Monastery – is built on the spot. Clinging to the cliff, the monastery burned down not long ago but has been rebuilt where it was: 1000 metres above Paro Valley. The walk up is a slog but the spectacular views across to the monastery make the hike worthwhile.