Small debris in a potholed road, ragged old father was walking with his son anxiously.

在一条坑坑洼洼的泥石小路上，衣衫褴褛的父亲正带着儿子焦急地走着。

Then it faces a bumpy journey on potholed roads (80% of the cargo arrives in Santos by lorry rather than by rail).

其过程颠簸的（80%的货物由卡车火车运输的）。