Time: 12/15/2016 at 7:00pm
Context: Trees spawning in cornerstone lots

Expected: I expected a blank lot to place cornerstone
Observed: Instead, a tree was in the lot, but half disappeared when I placed cornerstone.
1. Spawned in green grassy zone
2. Walked to desiered cornerstone lot.
3. Noticed tree in vacant lot, and noticed half of the tree disappear when I placed cornerstone.
4. Replaced cornerstone at another lot, tree remained cut in half.