From lens focal lengths and fill-flash to portraits, macro or stunning landscapes there are techniques for everyone. Learn how to use metering, considering composition and shoot everything from ...

Roman slaves built the enormous Cloaca Maxima, one of Rome's oldest sewer tunnels, using the fire-setting technique. The tunnel was so huge and impressive, the Emperor Augustus was rumored to have ...

Once operational, sources said, this underground sewerage tunnel will prevent wastewater from mixing with open drains and ...

To lower noise levels throughout the tunnel and to avoid disturbing the ... what the municipal system could handle. “The freezing technique is invaluable to keeping work going quickly and ...

This lining eventually grows into a strong, waterproof tunnel -- perfect for your subway! The cut and cover technique is another, equally effective way to build a shallow subway tunnel beneath the ...