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Gyotaku (魚拓, from gyo "fish" + taku "stone impression", fish print(ing)) is the traditional Japanese method of printing fish, a practice which dates back to the mid-1800s. This form of nature printing , where ink is applied to a fish which is then pressed onto paper, was used by fishermen to record their catches, but has also become an art ...
Geoglyphs on deforested land in the Amazon rainforest. A geoglyph is a large design or motif – generally longer than 4 metres (13 ft) – produced on the ground by durable elements of the landscape, such as stones, stone fragments, gravel, or earth.
In other areas, a patch exists in place of the bars. In both forms, the stonecat has a white spot at the rear of the dorsal fin base and one on the upper edge of the caudal fin. The rear of the pectoral spine has either no or a few weak teeth. [3] [4] [5] [6]
The black and white snapper has a wide Indo-Pacific range. It occurs along the eastern coastline of Africa from the Red Sea south as far as South Africa, the Seychelles, islands in the Mozambique Channel, Madagascar and western Mascarenes, east to the Maldives, Laccadives, the Chagos Islands, Cocos (Keeling) Islands and Christmas Island and Sri Lanka.
For freshwater aquaria, gravel is the most common substrate. To prevent damage to fish, gravel should not be sharp. Aquarium gravel can be as coarse as pea-sized or as fine as 1–2 mm. [1] It is available in a number of colors, and may be naturally colored or dyed, and may have a polymer seal to ensure it does not affect water chemistry. [1]
Gravel (largest fragment in this photo is about 40 mm (1.6 in)) Gravel (/ ˈ ɡ r æ v əl /) is a loose aggregation of rock fragments.Gravel occurs naturally on Earth as a result of sedimentary and erosive geological processes; it is also produced in large quantities commercially as crushed stone.
Historically, flint was widely used to make stone tools and start fires. Flint occurs chiefly as nodules and masses in sedimentary rocks, such as chalks and limestones. [3] [4] Inside the nodule, flint is usually dark grey or black, green, white, or brown in colour, and has a glassy or waxy appearance. A thin, oxidised layer on the outside of ...
Midnight Commander using box-drawing characters in a terminal emulator. Box-drawing characters, also known as line-drawing characters, are a form of semigraphics widely used in text user interfaces to draw various geometric frames and boxes.