This is a computer generated picture, best viewed at "original" size. You will probably have to scroll to take it all in.
A large tea garden, at the food of a very old ‘cınar’ (plane tree). The name of the square is indeed: ‘Çınaraltı’ (= under the plane tree).
Correspondent: J.M.Criel, Antwerpen.
Source: Websites of ‘gezenesor.com’ .