It was really wonder having such a "Green" activity for kids held by a commercial building in HK.
First time Cruz heard about double-deck elevator and urban window. They also introduced other devices for energy saving.
There is an Artificial Wetland on 16/F Hysan Place. Learned how to filtrate, purify and disinfect the dirty water to clean water for reuse there.
EPSv110
EPSv110
EPSv110
First time Cruz heard about double-deck elevator and urban window. They also introduced other devices for energy saving.
There is an Artificial Wetland on 16/F Hysan Place. Learned how to filtrate, purify and disinfect the dirty water to clean water for reuse there.