in 2003, Iraqis gathered around it and struck the statue with their shoes. In 2008, United States President George W. Bush had a shoe thrown at him by a journalist as a statement against the war in Iraq. More generally, shoe-throwing or shoeing, showing the sole of one's shoe or using shoes to insult are forms of protest in many parts of the world. Incidents where shoes were thrown at political figures have taken place in Australia, India, Ireland, Taiwan, Hong Kong, Pakistan, the United Kingdom, the United States, and most notably the Arab world. Empty shoes may also symbolize death. In Greek culture, empty shoes are the equivalent of the American funeral wreath. For example, empty shoes placed outside of a Greek home would tell others that the family's son has died in battle. At an observation memorializing the 10th anniversary of the September 11 attacks, 3,000 pairs of empty shoes were used to recognize those killed. The Shoes on the Danube Bank is a memorial in Budapest, Hungary. Conceived by film director Can Togay, he created it on the east bank of the Danube River with sculptor Gyula Pauer to honor the Jews who were killed by fascist Arrow Cross militiamen in Budapest during World War II. They were ordered to take off their shoes and were shot at the edge of the water so that their bodies fell into the river and were carried away. The memorial represents their shoes left behind on the bank. Construction The basic anatomy of a shoe is recognizable, regardless of the specific style of footwear. All shoes have a , which is the bottom of a shoe, in contact with the ground. Soles can be made from a variety of materials, although most modern shoes have soles made from natural rubber, polyurethane, or polyvinyl chloride (PVC) compounds. Soles can be simple—a single material in a single layer—or they can be complex, with multiple structures or layers and materials. When various layers are used, soles may consist of an insole, midsole, and an outsole. The is the interior bottom of a shoe, which sits directly beneath the foot under the footbed (also known as sock liner). The purpose of the insole is to attach to the lasting margin of the upper, which is wrapped around the last during the closing of the shoe during the lasting operation. Insoles are usually made of