Children and camel caravan, and IYC emblem, printed by lithography, and issued by Kenya on February 5, 1979 as one of a set of four stamps publicizing the International Year of the Child, Scott No. 140. Bonus: Goats.
Prince and princess traveling on camels through a desert, printed by photogravure, and issued by Japan on October 24, 1997 as one of a set of two stamps illustrating popular Japanese folk songs, Scott No. 2588. Note: The song illustrated on this stamp is Tsuki no sabaku ("The Desert under the Moon"), by Sakasi Suguru (music) and Kato Masao (lyrics); YouTube video link below.