Task: Translation
Input (English): The dam replaces an old dam, first built in 1911 but subsequently expanded several times.
Output (Lao): ເຂື່ອນດັ່ງກ່າວແທນບ່ອນເຂື່ອນເກົ່າ ທຳອິດສ້າງໃນປີ 1911 ແຕ່ຕໍ່ມາໄດ້ຖືກຂະຫຍາຍຫຼາຍເທື່ອ.