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{system, computer, user}
{law, state, case}
{work, book, publish}
{@card@, make, design}
{build, building, house}
{group, member, jewish}
{land, century, early}
{ship, engine, design}
{island, water, area}
{film, series, show}
{water, park, boat}
{math, number, function}

Geocaching is an outdoor sporting activity in which the participants use a Global Positioning System (GPS) receiver or other navigational techniques to hide and seek containers, called "geocaches" or "caches", anywhere in the world. A typical cache is a small waterproof container containing a logbook where the geocacher enters the date they found it. Larger containers such as plastic storage containers (tupperware or similar) or ammo boxes can also contain items for trading, usually toys or trinkets of little value. Geocaching is often described as a "game of high-tech hide and seek," sharing many aspects with benchmarking, trigpointing, orienteering, treasure-hunting, letterboxing, and waymarking.

Geocaches are currently placed in over 100 countries around the world and on all seven continents, including Antarctica.[1] After 10 years of activity there are over 1.2 million active geocaches published on various websites devoted to the activity.


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