Dr John Cherry (right) demonstrates measuring groundwater levels with Professor Jimmy Jiao from the University of Hong Kong. Photo: Nora Tam
Check the groundwater: expert says city may be contaminated by leaked sewage and past industrial pollution
Scientist wants to build and trial a monitoring well here, but government claims the current system is adequate
Dr John Cherry (right) demonstrates measuring groundwater levels with Professor Jimmy Jiao from the University of Hong Kong. Photo: Nora Tam