There's a subculture of people who clean strangers' gravestones, which often involves removing lichen. They are very particular about the tools and chemicals us

There's a subculture of people who clean strangers' gravestones, which often involves removing lichen. They are very particular about the tools and chemicals used during the cleaning. Some also reset broken stones. You can see some before/after photos on Twitter (https://twitter.com/search?q=clean%20gravestones&src=typed_query https://twitter.com/search?q=clean%20gravestones&src=typed_q...) as well as fast-motion videos on TikTok and Instagram. A few people research public records to share more information about the stones they are cleaning.