If he glues the top on how does he keep it watered?
It is a so called closed terrarium. As you can see, s/he added a little water. That water will cycle inside the bulb. https://www.crateandbarrel.com/blog/closed-terrarium-how-to/
Like how the world works... who would of thought... I just assumed some aliens came buy and watered us once and awhile lol.
