Over many years, leaks had developed and the aqueduct was closed in 1954. For a while in the 1960s and 1970s, the canal was dry and it was possible to walk along the bed on each side of the river, as well as through the aqueduct itself.
Over many years, leaks led to the closure of the aqueduct in 1954. During a period from the 1960s to the 1970s, the canal was dry, allowing people to walk along its banks on both sides of the river and through the aqueduct itself.