This image from the 1904 World's Fair is called "Bedouin sword dance", and is part of a large virtual exhibit brought to you by St. Louis Public Library.   Go to the exhibit now.
Title:		Bedouin sword dance
Creator:		Beals, Jessie Tarbox
Publication Date:		1904
Thumbnail:
Image ID:		LPE00166
Headings:		Bedouins--Clothing & dress--Missouri--Saint Louis--1900-1910 Bedouins--Exhibitions--Missouri--Saint Louis--1900-1910 Bedouins--Women--Missouri--Saint Louis--1900-1910 Daggers & swords Louisiana Purchase Exposition (1904 : Saint Louis, Mo.)--People Louisiana Purchase Exposition (1904 : Saint Louis, Mo.)--Performances Portrait photographs