Abandoned Cornish tin mine engine houses on the cliffs at Botallack, UNESCO World Heritage Site, Cornwall, England, United Kingdom, Europe

Abandoned ruin of tin mine engine house on the Cornish cliffs near Botallack, Cornwall, England, United Kingdom, Europe

Crown Tin Mines, Botallack, UNESCO World Heritage Site, Cornwall, England, United Kingdom, Europe

Ruins of Rust Op Twist Sugar Mill Plantation, St. Croix, US Virgin Islands, Caribbean

Abandoned tin mines on the Cornish cliffs near Botallack, UNESCO World Heritage Site, Cornwall, England, United Kingdom, Europe

Abandoned Copper mine, Tankardstown, Copper Coast Drive, County Waterford, Munster, Republic of Ireland, Europe

Remains of the abandoned whale station in Port Foster, Deception Island, South Shetland Islands, Antarctica, Polar Regions

Abandoned Copper mine, Tankardstown, Copper Coast Drive, County Waterford, Munster, Republic of Ireland, Europe

Ruins of Rust Op Twist Sugar Mill Plantation, St. Croix, US Virgin Islands, Caribbean

Remains of the abandoned whale station in Port Foster, Deception Island, South Shetland Islands, Antarctica, Polar Regions

Clifftop engine house from an abandoned tin mine on the Cornish cliffs, Botallack, Cornwall, England, United Kingdom, Europe

The remains of slate mines near to the Tranearth site in the Lake District National Park, Cumbria, England, United Kingdom, Europe

Towan Roath Engine House at Wheal Coates Tin Mine, UNESCO World Heritage Site, St. Agnes, Cornwall, England, United Kingdom, Europe

Flax Mills, Sion Mills, County Tyrone, Ulster, Northern Ireland, United Kingdom, Europe

Ruins of Wheal Coates Tin Mine engine house, near St Agnes, Cornwall, England

Ruins of Wheal Coates Tin Mine engine house, near St Agnes, Cornwall, England

Santa Laura Salpeter mine, UNESCO World Heritage Site, Atacama desert, Chile, South America

Humberstone Saltpeter Works, UNESCO World Heritage Site, northern Atacama, Chile, South America

Ruins of Wheal Coates Tin Mine engine house, near St Agnes, Cornwall, England

Herringfleet Mill (Walker's Mill), Drainage mill of the smock mill style, Herringfleet, Suffolk, England, United Kingdom, Europe

Herringfleet Mill (Walker's Mill), Drainage mill of the smock mill style, Herringfleet, Suffolk, England, United Kingdom, Europe

Herringfleet Mill (Walker's Mill), Drainage mill of the smock mill style, Herringfleet, Suffolk, England, United Kingdom, Europe

Remains of old Whaling Station, Deception Island, South Shetland Islands, Antarctica, Polar Regions

Remains of old Whaling Station, Deception Island, South Shetland Islands, Antarctica. Polar Regions

Remains of kilns from old ironstone workings on Rosedale Moor with view to Esk Dale valley, North York Moors National Park, North Yorkshire, Yorkshire, England, United Kingdom, Europe

Remains of mine workings, Jerome, Arizona, United States of America, North America

African oil palm (Elaeis guineensis) plantations and remains of disturbed forest. East Kutai Regency, East Kalimantan, Borneo, Indonesia, Southeast Asia, Asia

Grit salt remains the most commonly used method of removing ice and snow from the ground. All kinds of salt are effective at breaking up ice crystals, but grit salt is the preferred method for use in salt-spreading machines as long as the grit salt is kept dry. The grit salt also adds some friction to flat areas, making the ground better for tyres and shoes to grip on to.? . "

Grit salt remains the most commonly used method of removing ice and snow from the ground. All kinds of salt are effective at breaking up ice crystals, but grit salt is the preferred method for use in salt-spreading machines as long as the grit salt is kept dry. The grit salt also adds some friction to flat areas, making the ground better for tyres and shoes to grip on to.? . "

Fukuoka Prefecture, Japan