Pesach is so important, that if someone wasn’t able to go to the Temple and bring a Korban Pesach (Pascal sacrifice) they were given a second chance a month later on the 14th of Iyar. That day was called Pesach Sheni.
The question always arises, who at the time of the Midbar (Desert) was ritually impure and couldn’t join in?
The answer to that is the group of men who were carrying the bones of Joseph for burial in Israel.
Here ares some photos from the Kretshnif Chassidic dynasty who held a Pesach Sheni tish/ceremony, eating Matzah and drinking wine.