The proportion of centenarian in Bama region is 308 millionths of the total population, which is far more than the 75 millionths of the world's longevity criteria.
2
世界上有很多地方被认为是长寿之乡。
The world has many 'longevity' hotspots where the number of centenarians exceeds 10 in 100, 000.