the museum of kimchi is located in seoul. for more than a quarter of a century, it's been showing koreans and foreigners the benefits of the national dish. as fewer families pass down the tradition of making kimchi, lots of people come here for these popular courses. classes take place every week. today it was for young adults, especially beginners. >> translator: i have never tried making kimchi before, so i wanted to learn how to do it. >> reporter: instructors also teach students the importance of making kimchi. they also describe how eating it affects people. >> translator: making and eating kimchi is essential for koreans. i want to hand down traditional, homemade kimchi recipes to as many people as possible. >> reporter: i eat kimchi almost every day, just like many other koreans, but i've never actually made it before, so today i'm going to try. this woman is an expert in making kimchi, so she's going to show me how to do it. >> reporter: so, i have to spread the spice on each leaf, like this. it's such hard work, isn'