This is using a traditional cooker to make corn porridge in Dongping County, Shandong, China. Locally, this kind of corn porridge is called Hudou (IPA:xu˥.toʊ), which is one of the traditional foods in western Shandong. Traditional corn porridge usually uses coarser corn flour,  which can be seasoned by adding soybean, cabbage, coriander, celery, mung bean, sweet potato, flixweed, carrot, etc.
<a href="//commons.wikimedia.org/wiki/User:Ngguls" title="User:Ngguls">Ngguls</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>