If you live in a HDB in Singapore, the surroundings are swept and mopped daily.
Once a month, the front of every house, from the top most floor to the void deck is jet sprayed cleaned. You can see the water flowing down along the staircase.
This is the jet spray used to clean up all the dirt.
Do you like doing cleaning in your house? Do you do it yourself, or hire someone to do it for you?