The National Arboretum in Washington D.C. contains an array of these structures. A set of four of these structures are a subj
The National Arboretum in Washington D.C. contains an array of these structures. A set of four of these structures are a subject of a myth that they were created as a joke on the borough council who insisted on their creation. That building was the Christopher Wren-designed Windsor Guildhouse. Entasis is believed to correct for an optical illusion, a phenomenon in which these structures seem to be concave from a distance. These structures can classified by changes in width and by the complexity of the top. Divided classically into Doric, Ionian, and Corinthian styles, for ten points, name these vertical features designed to support the weight of a building.
The National Arboretum in Washington D.C. contains an array of these structures.
{Columns} [accept {Pillars}]