The Geotechnical Engineering Office and The Hong Kong Science Museum jointly organize a series of workshops, namely "Rock Detective" starting from 22 October 2022. The workshop will introduce various methods to determine the relative ages of rocks. Participants can also try to build up a model with various rock and soil layers according to the formation sequences. The workshops are free for the visitors of Permanent Exhibitions of the Hong Kong Science Museum. Please refer to the following link for the event details: https://hk.science.museum/en_US/web/scm/event/esg_workshop.html