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The Holy Kinship (Madonna and Child and St. John) with Prophets and Symbols of the Four Evangelists (17th century) --Joachim Von Sandrart (德国艺术家, 1609 - 1688)
Attempt to correlate social class with elevation above main harbor channel, San Pedro, July 1975-Allan-Sekula (1975年7月,圣佩德罗,试图将社会阶层与主要港口航道上方的海拔高度联系起来-艾伦·塞库拉)