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Ahhh, lovely chain link. Sharp-looking barbed wire. And my favorite—plastic orange netting. My notions of fencing are in for a rural awakening, however, thanks to architectural historian Vanessa Patrick’s lecture “Partitioning the Landscape: Traditional Fencing in Virginia.” She’ll cover the terrain of 18th-century Virginia—dominated by the 5-foot-high post-and-rail, the decorative-but-practical pale fence (a dignified ancestor of the picket), and the portable zigzag fence, which featured rails stacked at funky angles. Patrick will also explain how wooden fences played an important landscaping role, such as keeping Bambi and Mr. Ed—and other pesky neighbors—off the property. Colonial Virginia apparently had as much respect as we do for “No Trespassing” signs. At 6:30 p.m. at the National Building Museum, 401 F St. NW. $7. For reservations call (202) 272-2448. (Tom Stabile)