1.

http://1.bp.blogspot.com/-QMexmphLlAc/TpK2vPeAKdI/AAAAAAAABqo/HO3KFShSWqY/s1600/a_sinkhole_under_the_bed_640_01.jpg


2.

http://4.bp.blogspot.com/-rCS0BjgwESs/TpK2u9UgSuI/AAAAAAAABqg/fokibB4nI0g/s1600/a_sinkhole_under_the_bed_640_02.jpg