Sinkholes threatening dead: 50 coffins swallowed in UK graveyard (watch pics)

New Delhi: According to the US Geological Survey, sinkholes are common where the rock below the surface is limestone, carbonate rock, salt beds, or other kinds of rock which can naturally be dissolved by groundwater circulating through them.Britain's wettest winter on record has created perfect conditions for sinkholes. Cars, roads and bits of homes have tumbled into the voids created after the ground collapses into subterranean cavities.Last week a stretch of the M2 in north Kent was closed after a 15ft (4.6m) deep hole was discovered in the central reservation, while on February 2 a teenager's car was swallowed up when a 30ft (9.1m) deep crater appeared in a family's driveway in High Wycombe, Buckinghamshire.A 35ft wide sinkhole opened up in a suburban cul-de-sac in Hemel Hempstead, Hertfordshire, at 7.30am on February 15, forcing 17 houses to be evacuated and leaving one teetering over a 20ft drop.Two of the houses could have to be demolished and now these giant sinkholes are also threatening the dead as Dozens of coffin-shaped pits have opened at Gravesend Cemetery in Kent.After listening to the news respective Families have been visiting the site to check on family members buried there.According to the reports these sinkholes have raised fears that deep cavities might be concealed just below the grass and visitors are being warned to watch their step here.According to a report published in Daily Mail Cemetery bosses spoke of their shock at seeing the huge number of graves being engulfed by the sodden ground following weeks of wet weather.A council spokesman told Kent Online: “It is quite common for graves to sink - especially after a period of heavy rain. But none of the staff has seen anything of this scale.”Moreover Geologists here are warning that the prolonged flooding and wet weather will lead to more sinkholes appearing across the UK over the coming months.