Sadness. Tell me I'm here. Where are you?

Sad to say: you gave birth to me, but I gave birth to you and died.

The saddest sadness is despair, and the farthest distance is death.

I am here. Where are you? Can this be called sadness? At best, it is the prelude to a hide-and-seek game.

You are walking in a reinforced concrete city, but he is looking for an exit on the vast grassland of Hulunbeier.