Berlin, Germany – German authorities have started reinforcing hundreds of concrete blocks at Berlin’s Holocaust memorial with steel collars after a study revealed they were at risk of crumbling.
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The memorial to Jews killed in World War Two has become one of Berlin’s most popular tourist attractions, drawing coach loads of visitors each day to wander through the maze of gravestone-like blocks a short walk from the Brandenburg Gate.
A survey by engineers found about 1 in 7 of the 2,711 blocks is in danger of breaking up due to cracks in the concrete.
“We aren’t sure why there are cracks in the blocks but it could be to do with extreme fluctuations in temperature and the weather,” said memorial foundation spokeswoman Felizitas Borzym.
Yes, too much water and less sand/mortar will definitely do it.