Anonymous ID: a61234 May 22, 2018, 10:44 a.m. No.1506640   🗄️.is 🔗kun   >>6660

>>1506619

>>1506602

We know the WH lawn must be infested with buried conduits and cables, sensors and devices.

 

Could be something getting washed out from rain.

Possibly something under the sidewalk/street that gave way allowing room for the WH lawn to drain.