The Marib Dam is an ancient structure located in Yemen, originally built around the 8th century BCE. It was designed to control the flow of the Wadi Adhanah river, providing irrigation for agriculture in the surrounding region. The dam played a crucial role in the prosperity of the ancient Sabaean civilization, allowing for the cultivation of crops in an arid environment. Over the centuries, the Marib Dam underwent several renovations and expansions. Its impressive engineering features, including a series of sluices and reservoirs, highlight the advanced technology of its time. Today, the site remains a significant archaeological and historical landmark, attracting researchers and tourists interested in ancient engineering and history.