Romanian soldiers begin construction of a bomb shelter for residents of the village of Plauru, in the Danube Delta, some 300 kilometers east of Bucharest, on September 12.
Romania's Defense Ministry ordered the structures to be built after drone fragments were found over the weekend.
Romanian soldiers head to a field where they will begin building a bomb shelter.
Bucharest made the announcement after authorities found fragments of a drone "similar to those used by the Russian Army" in the Plauru area across the border from Ukraine.
Romanian soldiers fill sand bags at the site.
Bucharest has strengthened monitoring of its air space following repeated Russian missile attacks close to its border.
Approximately 50 Romanian soldiers participated in erecting the two shelters.
The concrete shelters are designed to "protect the residents" of Plauru and will be handed over to local authorities once completed.
The move follows a decision by Bucharest to adopt "protection measures on the national territory in the immediate vicinity of the conflict zone in Ukraine."
Following the collapse of a deal that allowed grain shipments, the Kremlin has intensified its attacks on Ukraine's Black Sea ports and infrastructure, which are crucial for agricultural exports needed to address a global food crisis.
Romanian soldiers ride atop a truck after building the bomb shelters.
Since Moscow's unprovoked full-scale invasion of Ukraine in February 2022, NATO has been focused on preventing the war from spilling over onto its territory.
NATO member Romania has begun construction of air-raid shelters for residents living near the Ukrainian border after repeated Russian attacks of sites in Ukraine close to the frontier.