For example, in order to visit a small group of Witnesses who met on a farm in Mato Grosso State, I had to cross the Araguaia River by boat and ride about 15 miles [25 km] through the forest.
التحدي الآخر الذي زاد من صعوبة العمل الدائري هو النقص في وسائل الاتصال الجيدة .‏