The park has undergone many changes over the years.

Later, during the 1970s, the park underwent a $60,000 restoration.

Between 2010 and 2011, the park underwent $8 million renovations.

When he arrive, however, the national park had undergone security measures while Felix was gone.

Following his death, the park underwent major renovations to the pool in question.

The park underwent a major revamp in the early 2000s.

The national park is undergoing extensive work and research in trying to save the remaining trees, but has so far had little success.

Recent new development in the area has meant that the park is now undergoing refurbishment work.

The park has undergone some cleanup and renovation in recent years.

The park underwent a major renovation effort, completed in 2009.