Ref penal harm   cruel and unusual punishment Eighth Amendment to the United States Constitution  prison damage two Loss of light air views workout time  loss of any ability to read study correspond  Prison conditions clearly severely harming prisoner health and so then clearly illegal also are not covered please add to article eg a summary as  the hell block in Oklahoma is entirely underground and intentionally built that way to deny all light to its prisoners and any doctor will make clear to anyone this causes increasing major harm over time  Similar intentional aggravation are maximum security prisons with zero outside time eg as in old prison prison yards and claimed workout time of eg  minutes once week or once a month are also clearly a joke And this is clearly illegal when solitary confinement exceeds few days and times in solitary confinement of weeks months years are all massively illegal   Restriction on any normal views  maximum security cells with no outside views or no windows or windows to high to see outside are all examples of intentional torture vs older prisons all having a prison yard where all prisons spent time outside  plus hours each day   And this is also clear when all windows are covered to review all views with wire  twisted wires over each square inch  all psychological tortures And same with silence rules etc  here come de judge  all sr