Drug lord Joaquin "El Chapo" Guzman escaped from a maximum-security Mexican prison on through a 5,000-foot tunnel.

The seven best paddle boarding routes in London: from Tottenham to the Isle of Dogs - Jumped on the stand-up paddle boarding trend this summer? You don’t have to go far to launch an SUP ...

This article analyses the temperature environment of air source heat pump using the air in underground tunnel as cold and heat sources, then models tunnel heat transfer and numerically computes, ...

Loke reiterated Malaysia Airports’ explanation that this morning’s KLIA Aerotrain disruption was caused by a technical fault involving a drainage pump within the airport’s existing tunnel ...