Valiasr Street is a tree-lined street in Tehran, Iran, dividing the metropolis into western and eastern parts built in 1922 to 1927, considering the end of asphalt plan it ended in 1933. There are so many sycamores on both sides of the street. It is so eye-catching that so many people recall Tehran with the sycamores. Sycamore is considered as an important tree in Iran culture. The large numbers of...