Removing all stones and wrecks form the East Estonia sea bottom.

Stones
laevahukk MS Estonia

To build a windmill park the bottom has to be cleared of objects this recent project shows. the Estonian sea bottom is rich of stones. That’s why the country is called “East Stonia”. A hard and costly job. The stones were always a danger to ships. Countless wrecks are on the bottom. According international law these are international protected seaman’s graves.

Energy firms must look for archaeological sites before drilling.

https://www.science.org/content/article/u-s-proposal-would-make-oil-companies-look-shipwrecks-they-drill