Congested streets of Hankou after torrential flooding of the Yangtze and Huai rivers

The video discusses the city of Hankou, highlighting the large number of saplings that almost require traffic regulations. It then shifts focus to a family, noting the mother's absence and the father and son's continued efforts.

In what ways might the environment in Hankou be influenced by the actions of its residents?

What does the phrase 'carry on' suggest about the attitude of the characters mentioned?