What pictures can tell about father and son

Father and son, 2014, Brazil. [Photo provided to chinadaily.com.cn]

You said you wish to raise the question in your audience of "What is a father? What is a son? What bond links them?" What is your answer to these questions?

Each photo is a fragment of my answer. I have not finished my exploration. I am surprised by the richness of the subject and will continue to search for the various answers that describe this mysterious connection that unites the men.