Analysis of information sources in references of the Wikipedia article "Walking bus" in English language version.
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: CS1 maint: multiple names: authors list (link)I presume the strange nickname came about because of the column's wavy, side-to-side forward motion, combined with the head-up, shoulders-back posture usually adopted by the leading pair.
I presume the strange nickname came about because of the column's wavy, side-to-side forward motion, combined with the head-up, shoulders-back posture usually adopted by the leading pair.