Corn stooks harvested for thatching purposes, Devon, England, United Kingdom, Europe

A predatory stonefish (Synanceia verrucosa) lies camouflaged in the sandy seafloor of Komodo National Park, Indonesia. This is the most venomous fish on Earth but uses its venom only for defensive purposes.

A predatory stonefish (Synanceia verrucosa) lies camouflaged in the sandy seafloor of Komodo National Park, Indonesia. This is the most venomous fish on Earth but uses its venom only for defensive purposes.

Barquentine Meridianas, now converted for catering purposes, moored by the embankment of the Dane river, Klaipeda, port city on the Baltic Sea, Lithuania, Europe

View of spiral staircases at the Initiation Well, purportedly used for ceremonial purposes by Freemasons in the 19th century, at Quinta da Regaleira, Sintra, Portugal, Europe

View of spiral staircases at the Initiation Well, purportedly used for ceremonial purposes by Freemasons in the 19th century, at Quinta da Regaleira, Sintra, Portugal, Europe

Chambered cairn at Cairnholy, the area in front of the wall and Sentinel Stones is believed to have been for worship or communal purposes, near Creetown, Dumfries and Galloway, Scotland, United Kingdom, Europe

Chambered cairn at Cairnholy, the area in front of the wall and Sentinel Stones is believed to have been for worship or communal purposes, near Creetown, Dumfries and Galloway, Scotland, United Kingdom, Europe

Minke whale (Balaenoptera acutorostrata). Damage to dorsal fins is often used for photo-identification purposes but even simply the shape of a 'clean' fin such as this may be identifiable. Hebrides, Scotland

Fields for farming purposes near Debre Berhan, Ethiopia

Catato L?pez, Bribri man showing root used for assorted purposes, A day with the Bribri, indigenous people in Lim?n Province of Costa Rica

Catato L?pez, Bribri man extracts thread from a plant for different purposes, A day with the Bribri, indigenous people in Lim?n Province of Costa Rica

Crab spiders do not build webs to trap prey, though all of them produce silk for drop lines and sundry reproductive purposes; some are wandering hunters and the most widely known are ambush predators.

Achiote or Bixa orellana, used for different purposes, A day with the Bribri, indigenous people in Lim?n Province of Costa Rica,

Catato L?pez, Bribri man extracts thread from a plant for different purposes, A day with the Bribri, indigenous people in Lim?n Province of Costa Rica

A man blowing the shofar, a musical instrument for Jewish religious purposes, Jerusalem, Israel

Sheep, died red for promotional purposes, eye-catcher by the roadside, Sheep World Farm and Nature Park, Warkworth, Highway 1, North Island, New Zealand

Sheep dyed red for promotional purposes, eye catcher at the roadside, Sheep World Farm and Nature Park, Highway 1, Warkworth, North Island, New Zealand

Small distillation unit for trial purposes, Aalborg Akvavit spirits factory, Aalborg, North Jutland, Denmark, Europe

Control Rod Room at the K Reactor which has been shut down, but is going to be used in the near future to store excess plutonium. The four barrels are empty and are being used for training purposes.

Jars with money saved for various purposes