The White House lawn has developed a mysterious sinkhole that's 'growing larger by the day'
- The White House North Lawn has reportedly developed a sinkhole.
- According to one reporter, the sinkhole is "growing larger by the day."
- Sinkholes form when rainwater seeps through a tiny crack in the ground and pools in the sediment beneath.
The White House North Lawn has developed a sinkhole, which is now blocked off by two traffic cones and yellow tape.
On Tuesday, Steve Herman, a reporter from Voice of America, and Breitbart's Charlie Spiering tweeted images of the sunken turf.
Located outside the entrance to the press briefing room, the hole is "growing larger by the day," according to Herman.
While a sinkhole on the White House lawn may seem unusual, sinkholes overall are fairly common. In this same exact day in May 2017, Mar-a-Lago, the Florida estate where Trump often vacations, also coincidentally developed a four-foot by four-foot sinkhole.
Sinkholes form when rainwater seeps into a crack in the ground and pools in the sediment below. As more water builds up, it starts to carve out a hollow opening deep inside the earth. Meanwhile, soil on the ground level will stick together, keeping the surface superficially strong and in one piece.
Nothing appears to have changed at first, but once the underground void gets large enough, the surface can suddenly give way, causing the ground to collapse.
Given that Washington, DC got a lot of rain last week, the White House lawn sinkhole was likely caused by stormwater.
Sinkholes happen throughout the world but are more common in places where the ground is made of soft rocks like limestone, since rainwater can dissolve soft rock more easily and creating caverns. According to the USGS, about 18% of the US sits on top of this kind of ground.
The White House's plans to fix the sinkhole are currently unclear. If it's not addressed soon, it will probably get larger.
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