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. 2019 Oct 4;6(5):579–594. doi: 10.1089/soro.2018.0126

FIG. 6.

FIG. 6.

Snapshots of climbing a step. The step was located at x = 35 cm and its height was 8.0 cm, which is higher than the diameter of a segment. The dark green color indicates that a segment is gripping the substrate.