Tarani Misro, a sand sculptor and artist based in Andhra Pradesh, made Shivalingam on the occasion of Shivaratri. At the bank of Vamsadhara River near I N Peta in Srikakulam district of Andhra Pradesh, he made a saikata lingam where Chakra Theertha Snanam will be held on 22nd February for Sri Mukhalingam Lord Shiva. It is to note that Mahashivaratri 2012 date is February 20, 2012.
You can see his personal blog and sand sculptures for Shivaratri made by him by clicking here.