Robotic vacuum cleaner, docking station, and cleaning system including the same

A cleaning system comprising a robot cleaner and a docking station,

• wherein the robot cleaner includes a mopping cloth part configured to mount a mopping cloth, the mopping cloth part being configured to move upward or downward,
• wherein the docking station includes:
• a docking part providing a travel path for the robot cleaner, the docking part including:
• a first portion including an inclined surface, and
• a second portion connected to the first portion and including a flat surface,
• wherein the robot cleaner is configured to raise or lower the mopping cloth part so that the mopping cloth mounted on the mopping cloth part is detached while the robot cleaner is at a first position provided on the second portion of the docking part, and to raise or lower the mopping cloth part so that a mopping cloth is mounted to the mopping cloth part while the robot cleaner is at a second position provided rearward of the first position on the travel path in a state in which the mopping cloth has been detached from the robot cleaner.