What a bunch of slackers at Joburg O.R. Tambo International Airport - I assume they work for ACSA. I went to the baby changing room after checking in at O.R. Tambo and the door was closed. Knocked and there was no reply, so went to speak to one of the cleaning staff - she went and knocked and knocked on the door...eventually the door opened and one of the other cleaning ladies came out with her. So what was this cleaning lady doing in the baby's changing room with the door locked - are ACSA's cleaning staff sleeping on the job at Joburg Airport.