Please note that when the trail part of the record is printed it is printed on a separate line.
注意，当输出记录的追踪部分时，可在单独的行上输出这部分。
2
The river undermined eight stretches, totalling 28km (18 miles), of the railway line that is the only way to get to Machu Picchu (except for the Inca Trail footpath).
Clone combat engineers would blaze a stable trail over unsteady terrain and construct a makeshift bridge that would accommodate the heavier walkers further down the battle line.