for years, emma marsh's family brought her to crosby beach as a childhood playground. but this is no ordinary seaside — these are the remnants of a devastated city. where there should be sand is now rubble — the remains of people's homes, offices, hospitals, factories and civic buildings. each has a story to tell, but likejigsaw pieces in a box, their histories are jumbled. now, as part of her university degree, 20—year—old archaeology student emma marsh is trying to unravel some of their secrets. i can see people's lives and homes amongst this rubble. this beach's hidden history begins a lifetime ago, in an age of fear. in may 1941 — two years into the second world war — the german luftwaffe turned its full attention to liverpool — the most important port in the british empire. for seven nights, liverpool and the surrounding areas were bombarded. it is hard to comprehend the scale of damage caused in a single week of bullets. -- blitz. according to the imperial war museum, 4,000 people were killed or injured, 70,000 were made homeless, and thousands of b