Excavation work on a proposed arch is set to begin soon. The project, which involves building a towering, gilded arch, is expected to start over the next two weeks. Critics have raised concerns that the arch will disrupt historic sightlines.

The arch is one of several projects aimed at leaving a lasting imprint. Other projects include renovating the Kennedy Center and refurbishing the Lincoln Memorial Reflecting Pool.

Further details about the projects and the concerns surrounding them are available from the source. The Interior Secretary has expressed enthusiasm for the arch, describing it as a great piece of American architecture.