History of the world's tallest buildings with no iron nails. It had a standing total height of 68 m (223 ft) or 80 m (262 ft), making it the tallest structure in East Asia and the tallest wooden structure in the world at the time of its construction. From the 13th century until 1894, the world's tallest building was always a church or cathedral. Old St Paul's Cathedral with its spire was completed in the 13th century. The central spire of Lincoln Cathedral surpassed Old St Paul's in the early 14th century. The Lincoln Cathedral's spire collapsed in 1549, beginning a long interval where the status
A. D. S. N. Prasad A. D. S. N. Prasad Dr. A. D. S. N. Prasad is the founder of Pathway Centers for Children, a non-profit and non governmental organization located in Chennai and other rural parts of Tamil Nadu, that is dedicated to the welfare of children with mental handicap and those who are destitute or otherwise disadvantaged. As a 22-year-old speech pathologist and audiologist, Prasad learned that to pay for his professional services clients quite often would have to sell everything they had and would make great sacrifices. Impressed by this, he eventually started giving free services to whoever needed it. Prasad established