Editing Washington Monument (section)

===Approximate vesica piscis===
[[File:Washington Monument - night.JPG|thumb|upright=1|The monument stands at a height of about 555 feet.]]
During the 2004 grounds renovation, two partially overlapping large circles were added to the landscaping with the obelisk in their intersection. The lens shape formed by such an intersection is called [[vesica piscis]] when two same-radius circles overlap, with the center of each lying on the perimeter of the other,<ref>{{cite journal |last=Fletcher | first=Rachel | doi=10.1007/s00004-004-0021-8 | issue=2 | journal=Nexus Network Journal | pages=95–110 | title=Musings on the Vesica Piscis | volume=6 | year=2004| doi-access=free }}.</ref> which is not the case on the monument grounds.