steam

Coal man Simon Bee walks through the mud as he delivers bags of coal to showman's steam engines being prepared for display at the Great Dorset Steam Fair in Tarrant Hinton near Blandford on August 28, 2014 in Dorset, England. Heavy rain has disrupted the opening of the event, which is in its 45th year and regularly attracts 200,000 visitors to the site to see steam road locomotive, as well as other vintage vehicles.

Matt Cardy/Getty Images

Coalman Simon Bee walks through the mud as he delivers bags of coal to showman’s steam engines being prepared for display at the Great Dorset Steam Fair in Tarrant Hinton near Blandford on Thursday in Dorset, England

A double Fordson tractor at the Great Dorset Steam Fair, where hundreds of period steam traction engines and heavy mechanical equipment are being set up for the annual Dorset gathering of steam enthusiasts. PRESS ASSOCIATION Photo. Picture date: Tuesday August, 26, 2014.

Ben Birchall/PA

A double Fordson tractor at the Great Dorset Steam Fair, where hundreds of period steam traction engines and heavy mechanical equipment are being set up for the annual Dorset gathering of steam enthusiasts.

Steam from the Verso paper mill is backlit by the light of the setting moon in this time-exposure, Friday, Sept. 20, 2013, in Bucksport, Maine. Verso makes coated papers used by publications such as catalogs and magazines.

Robert F. Bukaty/AP

Steam from the Verso paper mill is backlit by the light of the setting moon in this time-exposure on Friday in Bucksport, Maine. Verso makes coated papers used by publications such as catalogs and magazines.