Water (or a liquid that resembles it) makes things disappear.

alternatively: 氵 + 小 + 月 water + small + moon: Do you know the story of the monkeys who see a small resemblance of the moon in the water and try to capture it, but it disappears?

hands gripping jail doors on death row

going down the row of jail cells, offering your hand to each inmate

house so large it contains a valley

the further the province is from Beijing, the fewer the eyes on them

grains resemble little bits of time