Embark on a visionary exploration of tunneling and underground construction in the 21st century, where cutting-edge technology and sustainable practices redefine the landscape of subterranean development. This forward-thinking book delves into the evolution of tunneling methods and construction techniques, highlighting the environmental and economic benefits of underground infrastructure. From mega-projects to micro-tunneling innovations, each chapter showcases the ingenuity and complexity of modern underground construction. Dive into the world of tunnel boring machines, tunnel ventilation systems, and smart tunnel monitoring solutions as you unravel the mysteries of underground engineering. With a focus on efficiency and sustainability, this book is a testament to the future of tunneling in the digital age.Tunneling and Underground Construction in the 21st CenturyHello