Where in China is the best climate for retirement?

Hunan counts as one, the climate is not extreme, there is no heat or cold, the air is fresh, the mountains are beautiful

Hunan Huaihua:

Hunan Huaihua is one of the most suitable cities for retirement in Hunan province, the province's first forest coverage rate, as high as 70.97%, Huaihua is also known as the "city of breathing", where there is no fast-food life, the pace is very slow. In the park in the evening, there are aunts dancing in the square, children swinging on swings, and grandpas playing chess; there are also grandpas practicing calligraphy in the square.

Yueyang, Hunan:

Yueyang attaches great importance to environmental management and is a beautiful city with excellent air quality.

Changde, Hunan:

The Story of Peach Blossom Garden was written here, Changde is a paradise, the city is well green, the city builds eight parks, which provide residents with high quality leisure, fitness places.

The above are examples I am familiar with There are many other cities in Hunan are very good, here is not an example.