#artificialreefsUnmoderated tagAll postsExplore CommunitiesTrending CommunitiesSteemitCryptoAcademyNewcomers' CommunitySteemit Feedbackআমার বাংলা ব্লগKorea • 한국 • KR • KOSteem AllianceSTEEM CN/中文Comunidad LatinaWORLD OF XPILARSteem POD TeamBeauty of CreativitySCT.암호화폐.Crypto#artificialreefsTrendingHotNewPayoutsMutedrahulbairwa (53)in #artificialreefs • 7 years agoArtificial reefs at the outlet of an old Marseille sewerThe creeks of Marseille are a massive coastline extending for more than twenty kilometers along the Mediterranean…