On their preaching expedition in the Australian outback, Arthur Willis and Bill Newlands, mentioned in the introduction, once labored for two weeks to travel 20 miles (32 km) because heavy rains had turned the desert into a sea of mud.
सुरवातीच्या या पायनियरांसमोर जी आव्हानं आली, त्यांना तोंड देण्यासाठी धैर्याची आणि चिकाटीची खूप गरज होती.