N.E. Hansen in a Kaoliang sorghum field at Echo in Manchuria, China in 1924
N.E. Hansen in a Kaoliang sorghum field at Echo in Manchuria, China in 1924
N.E. Hansen in a Kaoliang sorghum field at Echo in Manchuria, China in 1924
N.E. Hansen in a Kaoliang sorghum field at Echo in Manchuria, China in 1924