We stepped off the bus and grabbed our luggage. The flight to Cape Town from Johannesburg’s Tambo International Airport was scheduled to take off in a couple of hours. The group scattered about collecting their belongings and chatting happily away. Waiting to get into the airport’s terminal, I looked off to the side and caught his eye. He was a young boy of maybe fifteen years old, standing reservedly to the side, holding a large clear bag in his hands. Inside were a few plastic bottles he has been trying to collect. Our eyes met briefly: we gazed…