We're back with a new full-length episode! If you think your construction job is tough, just listen to this one. After hearing about collapsing roofs, lead gutters, and faulty scaffolding, you'll be ready to pen a hand-written thank you note to OSHA.Sources:https://www.usatoday.com/story/money/careers/2018/01/09/workplace-fatalities-25-most-dangerous-jobs-america/1002500001/http://humanorigins.si.edu/evidence/behavior/stone-tools/early-stone-age-toolshttps://en.wikipedia.org/wiki/Stonehenge#Function_and_constructionhttps://en.wikipedia.org/wiki/Ziggurat_of_Urhttps://upload.wikimedia.org/wikipedia/commons/9/97/US_Soldiers_climbing_the_Ziggurat_of_Ur.jpghttps://en.wikipedia.org/wiki/Egyptian_pyramid_construction_techniqueshttps://www.youtube.com/watch?v=qj7kr2ho800http://www.sciencemag.org/news/2017/07/why-modern-mortar-crumbles-roman-concrete-lasts-millenniahttps://en.wikipedia.org/wiki/Trajan%27s_Bridgehttps://en.wikipedia.org/wiki/Caesar%27s_Rhine_bridgeshttps://www.history.com/topics/great-wall-of-chinahttps://en.wikipedia.org/wiki/Dougonghttps://thearchitectureclub.com/architecture/these-deeply-satisfying-gifs-explain-intricate-japanese-joineryhttp://www.medievalhistory.net/build~g1.htmhttp://www.bbc.co.uk/history/british/middle_ages/architecture_medmason_01.shtmlhttp://www.sah.org/publications-and-research/sah-blog/sah-blog/2017/07/18/medieval-masons-and-gothic-cathedralshttp://blitzlift.com/dangerous-dirty-jobs-middle-ages/http://web.stanford.edu/group/chineserailroad/cgi-bin/wordpress/faqs/https://eh.net/encyclopedia/history-of-workplace-safety-in-the-united-states-1880-1970-2/http://www.damfirm.com/human-cost-construction/https://gizmodo.com/10-of-historys-deadliest-construction-projects-1588099877https://www.amerisure.com/Blog/Amerisure-Blog/Four-construction-accidents-that-shook-the-world.aspx