Aberdeen Tunnel
The laboratory was practically abandoned after HKU researchers completed their experiments, as no other experiments of a similar nature made further use of the facility. However, in 2006, HKU and the Chinese University of Hong Kong petitioned the Aberdeen Tunnel administration for permission to reuse the laboratory, in order to participate in a Daya Bay Reactor Neutrino Experiment by the Daya Bay Nuclear Power Plant. Due to the high amount of traffic through the tunnel, researchers only have access to the laboratory 3 to 4 times per week, mostly during late night and early morning hours. During these experiments, maintenance and cleaning operations within the tunnel have to be suspended, and all traffic is rerouted through one tunnel tube.