During a time when pollution and litter covered the United States, architect Michael Reynolds saw a an opportunity to turn this unfortunate situation into something positive. In 1972, Reynolds built a house comprised of over 70,000 beer and soda cans that he reused. This genius idea brought more attention to the serious litter/pollution issue that was present in America and is known as one of the most creative architectural ideas of all time. The environmental enthusiast has spent his entire architectural career focusing on eco-friendly ideas that benefit society and attract the eyes of many. Thumb house kick started Reynolds career and encouraged him to continue constructing houses and buildings with this ‘pro-environment’ mindset.

https://www.businessinsider.com/michael-reynolds-beer-can-thumb-house-2014-7