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A bridge is a structure built to span a valley, road, body of water, or other physical obstacle such as a canyon, for the purpose of providing passage over the obstacle. Designs of bridges vary depending on the function of the bridge, the nature of the terrain where the bridge is constructed, the material used to make it and the funds available to build it...

Yoga (Sanskrit, Pāli: योग yóga) refers to traditional physical and mental disciplines that originated in India. The word is associated with meditative practices in Hinduism, Buddhism and Jainism. Within Hinduism, it refers to one of the six orthodox (āstika) schools of Hindu philosophy, and to the goal towards which that school directs its practices. In Jainism, yoga is the sum total of all activities — mental, verbal and physical...