Madrid range. To the south, Madrid Río provides access to the Enrique Tierno Galván Park and the Linear Park of the Manzanares River, an extensive green zone running parallel to the river as far as Getafe. As well as the cycle routes there are of paths for walkers and runners. In the Salón de Pinos, a 6-kilometre long tree-lined promenade, there are circuits for aerobic and anaerobic exercise, while near the Puente de Praga bridge there is a tennis court and seven tennis courts. The theme park Faunia is a natural history museum and zoo combined, aimed at being fun and
Speaker stands Speaker stands Speaker stands are stands on which loudspeakers are placed with the aim of improving the quality of sound from the speaker. In the 1970s musicians and high fidelity enthusiasts found that lifting speakers off the ground and mounting them on something with no vibration increased sound quality. Ordinary domestic furniture was not built with the properties that would deaden vibrations and so enhance the speaker's sound. Speaker stands, therefore were purpose-built to remove any deleterious colourations that came about through unwanted vibration. Further research has shown that speakers are best positioned so that the tweeter is level with