![The maintenance of batteries and solar panels at the lighthouses is carried out daily due to the harsh climate conditions. (Photo: VNA) 1.jpg](https://imagev3-lang.vietnamplus.vn/w1000/Uploaded/2024/vpcvolbb/2024_05_21/1-4609.jpg.webp)
![The lighthouse on Song Tu Tay Island was the first to be built in the Truong Sa (Spratly) Archipelago, in 1993. (Photo: VNA) 2.jpg](https://imagev3-lang.vietnamplus.vn/w1000/Uploaded/2024/vpcvolbb/2024_05_21/2-6446.jpg.webp)
![The lighthouse on An Bang Island, Truong Sa (Spratly) Archipelago. (Photo: VNA) 3.jpg](https://imagev3-lang.vietnamplus.vn/w1000/Uploaded/2024/vpcvolbb/2024_05_21/3-5523.jpg.webp)
![The lighthouses are considered “sovereignty markers” and diligently shine every night to assist and guide ships passing through the area. (Photo: VNA) 4 - avatar.jpg](https://imagev3-lang.vietnamplus.vn/w1000/Uploaded/2024/vpcvolbb/2024_05_21/4-avatar-1986.jpg.webp)
![The maintenance of batteries and solar panels at the lighthouses is carried out daily due to the harsh climate conditions. (Photo: VNA) 5.jpg](https://imagev3-lang.vietnamplus.vn/w1000/Uploaded/2024/vpcvolbb/2024_05_21/5-2840.jpg.webp)
On the islands and islets of the Truong Sa (Spratly) Archipelago, off the coast of Khanh Hoa province, lighthouses stand steadfastly amid the wind, rain, and harsh weather to guide ships, ensure maritime security, and assert Vietnam’s position and sovereignty.