This picture shows a broken one, and shows the scale of the box. The whole box was chiseled out from a single rock!
This practice of burial was ended in around 1800, after 600 years of practice. The main reason was that the people living in the house started to get sick. I can only imagine that this implies the burial boxes, placed so close to house, were the source of the health problem. Maybe one of the reasons was that after used for generations, the roof like cover is no long tight enough to contain whatever bad stuff coming from decomposing bodies. Especially when someone died from sickness, that sickness could still spread from the boxes.
When I told me friend about this, we were wondering if this is an example of "anthropological evolution". When a culture practicing undesirable acts, either the bad practice needs to stop, or the culture dies. However, if we put this argument to the extreme, it seems to justify many atrocities & predatory or even genocidal actions.
Another related example come from a book I read many years ago. The book was called Vanishing Languages, or something to that effect. That book was about many ancient languages, especially those without written form, were disappearing fast and replaced by English or the likes. The author laments the lost of historic treasure, cultural diversity, etc... In my own observation of people around me, language shaped one's value and culture more than we realized. The language structure and way of expressing dictates how we think. Unfortunately the vanishing language is just part of revolution - that the less competitive one submits.
Anyway, let get back on track to the burial boxes...