A huge rock raises 11 cms from the ground level.

Hoax Alert: 

" A huge rock in a village of Al-Hassa region, SAUDI ARABIA raises 11 cms from the ground level once in a year during the month of April and stays elevated for about 30 minutes!!! 

This is not true. see actual pictures for references.

• http://www.flickr.com/photos/arabianstory/1435252816/ 
• http://www.hoax-slayer.com/floating-rock.shtml 
• http://www.al-habib.info/review/floating-rock-jerussalem-hoax.htm

And The following image is totally Photoshop, I categorized this post in Creative Edits :)