Graphic PIZiadas

Graphic PIZiadas

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Rotor [Imagen]

rotor

A helicopter rotor is the rotating part of a helicopter aerodynamic lift generated. The helicopter rotor, also called the rotor system, typically refers to the helicopter's main rotor is mounted on a vertical mast on top of the helicopter, although it can also refer to the tail rotor. A… (leer más)

Lichen [Imagen]

liquen

Lichens are organisms consisting of symbiosis between a fungus and an alga or mycobiont cyanobacterium called ficobionte. La asociación de estos dos organismos puede ser muy variada pudiéndose diferenciar varios tipos estructurales muy diferentes desde el más simple, where fungus and alga is associated with by chance the most complex where micosimbionte… (leer más)

Seville: Pigeons on the Triana Bridge [Photos]

pigeons

One of the iconic bridges of the city of Seville is the “Triana Bridge”, connecting the Triana district of Arenal. This bridge across the river Guadalquivir has a structure formed by a set of rings on which sits a colony of pigeons, sirviendo de lugar privilegiado para la observación… (leer más)