As this suggests, flora and fauna still have much to show us, especially since there are still corners of the world unexplored by biologists. Surprisingly, Loch Ness is one of them, with most of its shores completely inaccessible due to vertically falling rocks. The loch lies in a rift valley, 700 to 1,000 feet deep. It is 25 miles long and has a narrow connection with the North Sea. Beneath the rocks lie unexplored caves filled with water. Despite the low temperatures, Loch Ness never freezes over.
Many factors complicate observation and research. Peat particles, invisible to the naked eye, make the water opaque. Temperature differences between individual layers cause relatively high waves and frequent vapors. Mirages occur not only in spring and summer but practically year-round. They cause objects to recede, approach, or be distorted. Sometimes the object of observation hangs in the air, hovering above the horizon. Furthermore, the average number of hours devoted to observations by this office, including expeditions, is 350 per year. In short, a drop in the pond.
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