Trying to find their feet , they push themselves hard , and get upset stomachs and blisters .
Walking in the heat causes the local people to insult them , and makes their drivers angry , which does not make negotiating their pay any easier .
Trying to find people 's feet , people push themselves hard , and get upset stomachs and blisters .
Walking in the heat causes the local people to insult them , and makes their drivers angry , which does not make negotiating their pay any easier .