The unprecedented rate of metro construction has led to a highly complex network of metro lines. Tunnels are being overlapped to an ever-increasing degree. This paper investigates the deformation response of double-track overlapped tunnels in Tianjin. China using finite element analysis (FEA) and field monitoring. https://www.markbroyard.com/special-pick-igora-vibrance-6-0-dark-blonde-natural-supply-best-super/