Interesting link, but my bones wouldn't last long being dissolved with lime, so it's almost like cremation, just a little slower. Laying in a grave would be the longest, but most Claustrophobic. Still can't decide, but I might go shopping to compare costs.
"Once the bones have been bleached by the sun and wind, which can take as long as a year, they are collected in an ossuary pit at the center of the tower, where=97assisted by lime=97they gradually disintegrate and the remaining material=97with run-off rainwater=97runs through multiple coal and sand filters before being eventually washed out to sea."
-Bill