"The 'Siamese Twins', Eng and Chang Bunker, c 1870."
© National Media Museum / Science & Society Picture Library
"Carte-de-Visite portrait by the London Stereoscopic & Photographic Company. Conjoined twin brothers Brothers Chang and Eng Bunker (1811-1874), born in Siam (now Thailand), were the origin of the term 'Siamese twins'. 'Conjoined twins' is now more commonly used."