The wall is bamboo-, cane-, or rope-reinforced, as sometimes used in adobe walls.

Mud wall with bamboo reinforcement, Kenya (K. Jaiswal)

Mud wall with bamboo reinforcement, Kenya (K. Jaiswal)

Adobe wall with vertical cane reinforcement, Peru (M. Blondet)

Adobe wall with vertical cane reinforcement, Peru (M. Blondet)

Adobe wall with cane reinforcement, Peru (S. Brzev)

Adobe wall with cane reinforcement, Peru (S. Brzev)