In some ways, depression can be compared to a caterpillar becoming a butterfly. You once lived life as a caterpillar and everything was fine.

Are perhaps three days of the year, in the torment of me, lessons, therefore, it fishes in that vague pain in the grown up, such as breaking pupal cocoon-like.

Like a beautiful butterfly emerging from its cocoon, Hangzhou transformed from a small county into a metropolis reputed as "heaven on earth".