Enalia Physis member and Marine Biologist Antonis Petrou, was the guest speaker to the lecture organised by KIMON Xylotymvou Diving Club. Antonis presented the theme  ”Biodiversity and Diving, new diving wrecks, artificial reefs and Marine Protected Areas” to the divers of the club, fishermen and other stakeholders . In addition the MarLitCy project was presented and the problem of marine litter was raised and discussed in detail. The participants had the opportunity to express their views on the issue of Marine Litter through dedicated questionnaires.