Stalin's bullet proof train carriage, Museum of Joseph Stalin, Gori, Georgia, Caucasus, Central Asia, Asia

European goldfinch (Carduelis carduelis) on squirrel-proof sunflower seed bird feeder, Henley-on-Thames, Oxfordshire, England, United Kingdom, Europe

Security guards armed with guns and wearing bullet-proof vests at Hugh Sherlock Centre which is part of the Jamaican Urban Poverty Project

A security guard in the ruler's special protection force, with earpiece connected to a two-way radio, holding a machine gun. He is wearing a bullet-proof vest as body armour.

Bear proof Trash Bin

Architecture students drawing a diagram of a earthquake-proof house with truss structure. They are being trained by a German aid organization after the devastating earthquake in January 2010, Coq Chante village near Jacmel, Haiti, Caribbean, Central Ameri

DEU, Germany: Basic training for future SWAT Team officers. They learn, during a year long course, all the basics which they need for their job in the special operation police units

DEU, Germany: Police SWAT Team, for arresting armed and dangerous criminals. They are specialists for rescuing hostages. They have special weapons and equipment.

DEU, Germany: Police SWAT Team, for arresting armed and dangerous criminals. They are specialists for rescuing hostages. They have special weapons and equipment.

DEU, Germany: Sniper. Police SWAT Team, for arresting armed and dangerous criminals. They are specialists for rescuing hostages. They have special weapons and equipment.

DEU, Germany: Sniper. Police SWAT Team, for arresting armed and dangerous criminals. They are specialists for rescuing hostages. They have special weapons and equipment.

DEU, Germany: Basic training for future SWAT Team officers. They learn, during a year long course, all the basics which they need for their job in the special operation police units

DEU, Germany: Police SWAT Team, for arresting armed and dangerous criminals. They are specialists for rescuing hostages. They have special weapons and equipment.

DEU, Germany: Basic training for future SWAT Team officers. They learn, during a year long course, all the basics which they need for their job in the special operation police units

DEU, Germany: Police SWAT Team, for arresting armed and dangerous criminals. They are specialists for rescuing hostages. They have special weapons and equipment.

DEU, Germany: Basic training for future SWAT Team officers. They learn, during a year long course, all the basics which they need for their job in the special operation police units

DEU, Germany: Basic training for future SWAT Team officers. They learn, during a year long course, all the basics which they need for their job in the special operation police units

DEU, Germany: Sniper. Police SWAT Team, for arresting armed and dangerous criminals. They are specialists for rescuing hostages. They have special weapons and equipment.

Bikey, bicycle lockers for hire for safe parking of bicycles, Bottrop, North Rhine-Westphalia, Germany, Europe

DEU, Germany: Sniper. Police SWAT Team, for arresting armed and dangerous criminals. They are specialists for rescuing hostages. They have special weapons and equipment.

Police officer with a video camera filming his colleagues on duty at a NPD rally in Ulm, Baden-Wuerttemberg, Germany, Europe

DEU, Germany: Sniper. Police SWAT Team, for arresting armed and dangerous criminals. They are specialists for rescuing hostages. They have special weapons and equipment.

Earthquake-proof prefab home that was given to the victims of the January 2010 earthquake as part of a reconstruction programme by an international aid organisation, Palmiste-a-Vin, Leogane, Haiti, Caribbean, Central America

Fallen leaf of a chumbo in heart shape on clay soil, heart of nature, natural heart, heart shape, symbol of love, sign of love, love symbol, proof of love, heart symbol, organ heart, kindness, affection, inflamed, in love, crush, colour red, heart emoji, Spain, Europe

Bikey, bicycle lockers for hire for safe parking of bicycles, Bottrop, North Rhine-Westphalia, Germany, Europe

Sawed off branch of olive tree in heart shape, natural heart, heart shape, heart of nature, natural heart, symbol of love, sign of love, love symbol, proof of love, heart symbol, organ heart, kindness, affection, inflamed, in love, crush, colour red, heart emoji, Spain, Europe

Two chumbo cacti shaped into a heart, chumbo decoration with flowers on plate, heart, heart of nature, natural heart, heart shape, symbol of love, sign of love, love symbol, proof of love, heart symbol, organ heart, kindness, affection, inflamed, in love, crush, colour red, heart emoji, Spain, Europe

DEU, Germany: Sniper. Police SWAT Team, for arresting armed and dangerous criminals. They are specialists for rescuing hostages. They have special weapons and equipment.

Pink hard plastic bag in double heart shape, double heart, two hearts, heart-shaped bag, children's toy, heart, heart shape, symbol of love, sign of love, love symbol, proof of love, heart symbol, organ heart, kindness, affection, inflamed, in love, crush, colour red, heart emoji, Spain, Europe

Painted Smiley Heart as Ace Card Painted on Wall, Ace with Heart, Ace of Hearts, Ace of Hearts, Playing Card Heart, Heart Shape, Symbol of Love, Sign of Love, Love Symbol, Proof of Love, Heart Symbol, Organ Heart, Kindness, Affection, Inflamed, In Love, Crush, Colour Red, Heart Emoji

Bikey, bicycle lockers for hire for safe parking of bicycles, Bottrop, North Rhine-Westphalia, Germany, Europe

Heart symbol in the foam of a red coffee cup, red coffee cup with foam heart, heart shape, symbol of love, sign of love, love symbol, proof of love, heart symbol, organ heart, kindness, affection, inflamed, in love, crush, colour red, heart emoji, Spain, Europe

Stone as heart symbol in rocks with red colour, heart shape, symbol of love, sign of love, love symbol, heart of nature, natural heart, proof of love, heart symbol, organ heart, kindness, affection, inflamed, in love, crush, colour red, heart emoji, Spain, Europe

Handlebars from bicycle in front of wall with red heart symbol, bicycle handlebars in front of painted heart, heart shape, symbol of love, sign of love, love symbol, proof of love, heart symbol, organ heart, kindness, affection, inflamed, in love, crush, colour red, heart emoji, Spain, Europe

Painted heart as @ symbol painted on blue wall, pink heart in circle on blue wall, heart shape, symbol of love, sign of love, love symbol, proof of love, heart symbol, organ heart, kindness, affection, inflamed, in love, crush, colour red, heart emoji

Bear-proof trash can, Yellowstone National Park, Wyoming, United States of America, USA

Lime green sprayed heart on house wall, sprayer heart, heart shape, symbol of love, sign of love, love symbol, proof of love, heart symbol, organ heart, kindness, affection, inflamed, in love, crush, colour red, heart emoji

Be Bear Aware, Warning sign on a bear-proof dustbin, Grand Teton National Park, Wyoming, USA, North America

Bear Proof Trash Can At Totem Trail, Sitka National Historical Park, Sitka, Alaska, United States Of America

Close up of lock and passport

Footprints in sand