Spider silk spinning field, the spinneret apparatus of an adult "Araneus diadematus" (garden cross spider) consists of the glands shown below. Similar multiple gland architecture exists in the black widow spider. In order to artificially synthesise spider silk into fibres, there are two broad areas that must be covered. These are synthesis of the feedstock (the unspun silk dope in spiders), and synthesis of the spinning conditions (the funnel, valve, tapering duct, and spigot). There have been a number of different approaches. The molecular structure of unspun silk is both complex and extremely long. Though this endows the silk fibres with their
Summer Garden the sculptures were no longer extant, and those remaining were moved from place to place, thus destroying the original design. In late 20th century, all sculptures were rearranged and today they stand in accordance with the aesthetic ideas charactertistic of the beginning of the 18th century. The Summer Garden Park is widely considered by many to be one of the most romantic, evocative and beautiful places in St Petersburg. Summer Garden The Summer Garden (, "Letniy sad") occupies an island between the Fontanka, Moika, and the Swan Canal in Saint Petersburg, Russia and shares its name with the adjacent Summer