MANUFACTURING ROCK BREAKER WAVE

Workers organize the waves of tetrapod types in Gampong Teungoh Village, Samatiga District, West Aceh, Aceh, Sunday (20/1/2019). The tetrapod type wavebreaker stone is a four-foot concrete structure that serves as a protective unit on the wave to reduce erosion and abrasion of the coast. ANTARA PHOTO/Syifa Yulinnas/ama.

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