#shorts These tunnel boring machines can get up to 60 feet in diameter and excavate 377 yards per month. Join our YouTube channel by clicking here: https://bit.ly/3asNo2n Find us on Instagram: https://bit.ly/3PM21xW Find us on Facebook: https://bit.ly/3t2Huvb Find us on Twitter: https://bit.ly/3wQfXzA Find us on TikTok: https://bit.ly/3wNsBOu Get the latest stories: https://interestingengineering.com/ Support IE for high-quality journalism: https://interestingengineering.com/subscribe