Russia has constructed a double line of trenches north of occupied Crimea, including new fortifications on both sides of the E-105 highway and near Lake Syvash, Armiansk checkpoint and Perekopsk Val.

Satellite images show the appearance of new fortifications on both sides of the E-105 highway and near Lake Syvash, the Armiansk checkpoint and Perekopsk Val

In November of last year, the trench line was already visible, it was branched out by March

The lines are connected with more trenches, and there is military equipment positioned between them

Russia is strengthening the north of Crimea the most

Russian officials likely remain concerned about a potential Ukrainian threat to Crimea, amid continued fortification and logistical efforts.