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The Frolikha Adventure Coastline Track (F.A.C.T.) is a 100 km Long-distance trail at the Northern part of Lake Baikal in Siberia (Russia).

The trail was built by Russians and Germans in 2009 to encourage local tourism with concepts for the sustainable development of the region. F.A.C.T. runs along the shoreline as well as old hunting and deer pathways. Half way of the trail the river Frolikha flows into Lake Baikal, making its way from Lake Frolikha, which gave the trail its name.

The tracks starts at the Northern end of Lake Baikal and runs southwards towards the hot springs of Khakussy (see coordinate), following sandy beaches and bays, climbing steep cliff lines, and looping Lake Frolikha. Snow-covered, jagged mountain ranges up to 2000 meters in height contrast with the large yet shallow delta of the Verkhne Angara river and the vast Siberian taiga seaming the coastline of the oldest and deepest lake of the world.

The Trail should be used by experienced hikers only. Baikalplan e.V. from Dresden in Germany, having been involved in planning and establishing the trail, published a brochure with a very detailed trail description in March 2010.

A lake is a body of relatively still water of considerable size, localized in a basin, that is surrounded by land apart from a river, stream, or other form of moving water that serves to feed or drain the lake. Lakes are inland and not part of the ocean and therefore are distinct from lagoons, and are larger and deeper than ponds. Lakes can be contrasted with rivers or streams, which are usually flowing. However most lakes are fed and drained by rivers and streams.

Natural lakes are generally found in mountainous areas, rift zones, and areas with ongoing glaciation. Other lakes are found in endorheic basins or along the courses of mature rivers. In some parts of the world there are many lakes because of chaotic drainage patterns left over from the last Ice Age. All lakes are temporary over geologic time scales, as they will slowly fill in with sediments or spill out of the basin containing them.

Many lakes are artificial and are constructed for industrial or agricultural use, for hydro-electric power generation or domestic water supply, or for aesthetic or recreational purposes.

The ecosystem of a lake includes biotic (living) plants, animals and micro-organisms, as well as abiotic (nonliving) physical and chemical interactions.

Lake ecosystems are a prime examples of lentic ecosystems. Lentic refers to standing or relatively still water, from the Latin lentus, which means sluggish. Lentic waters range from ponds to lakes to wetlands, and much of this article applies to lentic ecosystems in general. Lentic ecosystems can be compared with lotic ecosystems, which involve flowing terrestrial waters such as rivers and streams. Together, these two fields form the more general study area of freshwater or aquatic ecology.

Lentic systems are diverse, ranging from a small, temporary rainwater pool a few inches deep to Lake Baikal, which has a maximum depth of 1740 m. The general distinction between pools/ponds and lakes is vague, but Brown states that ponds and pools have their entire bottom surfaces exposed to light, while lakes do not. In addition, some lakes become seasonally stratified (discussed in more detail below.) Ponds and pools have two regions: the pelagic open water zone, and the benthic zone, which comprises the bottom and shore regions. Since lakes have deep bottom regions not exposed to light, these systems have an additional zone, the profundal. These three areas can have very different abiotic conditions and, hence, host species that are specifically adapted to live there.

Landscape photography is intended to show different spaces within the world, sometimes vast and unending, but other times microscopic. Photographs typically capture the presence of nature but can also focus on man-made features or disturbances of landscapes, especially within contemporary photography. Landscape photographers often attempt to document the space as well as convey an appreciation of the scenery.

Nature photography refers to a wide range of photography taken outdoors and devoted to displaying natural elements such as landscapes, wildlife, plants, and close-ups of natural scenes and textures. Nature photography tends to put a stronger emphasis on the aesthetic value of the photo than other photography genres, such as photojournalism and documentary photography.

Nature photographs are published in scientific, travel and cultural magazines such as National Geographic Magazine, National Wildlife Magazine and Audubon Magazine or other more specific magazines such as Outdoor Photographer and Nature's Best Photography. Well known nature photographers include Frans Lanting, Galen Rowell, Eliot Porter and Art Wolfe.

The rule of thirds is a "rule of thumb" or guideline which applies to the process of composing visual images such as paintings, photographs and designs. The guideline proposes that an image should be imagined as divided into nine equal parts by two equally-spaced horizontal lines and two equally-spaced vertical lines, and that important compositional elements should be placed along these lines or their intersections. Proponents of the technique claim that aligning a subject with these points creates more tension, energy and interest in the composition than simply centering the subject would.^{[citation needed]}

The photograph to the right demonstrates the application of the rule of thirds. The horizon sits at the horizontal line dividing the lower third of the photo from the upper two-thirds. The tree sits at the intersection of two lines, sometimes called a power point or a crash point^{[citation needed]}. Points of interest in the photo don't have to actually touch one of these lines to take advantage of the rule of thirds.^{[citation needed]} For example, the brightest part of the sky near the horizon where the sun recently set does not fall directly on one of the lines, but does fall near the intersection of two of the lines, close enough to take advantage of the rule.