A massive underground pipe has unexpectedly risen more than 30 feet above ground level in Osaka, Japan, creating an unusual sight that has drawn attention from local authorities.

The pipe, measuring 11.5 feet in diameter, reached heights of up to 42 feet at its highest point, according to the Osaka construction department. The large cylindrical structure towered significantly above the surrounding area after emerging from its underground position.

Local construction officials are investigating the incident to determine what caused the pipe to rise from its original underground location. The sudden appearance of such a large piece of infrastructure has raised questions about the underlying conditions that led to its displacement.

The pipe's emergence represents an unusual engineering incident, as such large-scale infrastructure pieces are typically designed to remain securely in place underground. Authorities have not yet released details about the specific type of pipe or its original purpose in the city's infrastructure system.