About once or twice every month, residents of Block 173 Bishan Street 13 would experience «snow» falling at the void deck.It is not a bizarre weather phenomenon, but soap bubbles flowing out from a pipe at the ground floor of the block, leaving residents concerned about safety and environmental cleanliness, Shin Min Daily News reported yesterday (Feb 6).A resident surnamed Lu (transliteration) shared that he was passing by the block on Jan 29 and didn't notice the soapy water on the floor at first.«Bubbles floated towards my face all of a sudden and as I looked up, I realised there were a lot of white bubbles in the air, which looked like snow falling,» the 40-year-old engineer said.He observed foam coming out from a pipe near the ceiling in the void deck and were floating around because of the strong winds. There was also a large amount of soapy water on the floor, flowing towards the drain. Read more