International Time Capsule Society
... that one of the founders of the International Time Capsule Society estimated that over 80 percent of time capsules will be lost before they are opened?
... that one of the founders of the <b id="mwFUU"><a href="./International_Time_Capsule_Society" id="mwFUY" rel="mw:WikiLink" title="International Time Capsule Society">International Time Capsule Society</a></b> estimated that over 80<span id="mwFUc" typeof="mw:Entity"> </span>percent of <a href="./Time_capsule" id="mwFUg" rel="mw:WikiLink" title="Time capsule">time capsules</a> will be lost before they are opened?