But even people who carry food on board are not always happy about the need to do so.
That means we can only carry food for three, maybe four days.
Everyone had to carry his own air, food, and water.
A man would have tried to carry enough food for three large meals a day.
"I don't think they even carried food up the hill with them."
Carry your own food, as the place has no restaurants.
They go marching off, and carry their food with them.
Most people, he said, simply forget that they are carrying food or don't understand the rules.
In recent years the industry has increasingly turned to trucks to carry food.
If the city got too big, it was hard for a cart carrying food to get to the market place.