I think the answer you are looking for is "a shadow"
a Lunar Eclipse
The answer is the moon.
Blocks That Matter happened in 360.
Blocks on Ice happened in 2012.
Groovin' Blocks happened in 2008.
A Lunar Eclipse
a Lunar Eclipse
it blocks the sunlight from reaching the underwater plants and traps and blocks oxygen in the water, which is needed by aquamarine animals.
Eliezer and other Jews are placed in blocks and another lot of terrible things happen to him. The most important part is where the Jews are put in blocks of electricians, Masons, Farmers, Musicians, etc. and many more :)
sunlight blocks out S waves in certain regions.
a Lunar Eclipse
solar eclipse