The picture of a man mowing the lawn is a typical male or father role (the expected behavior of a person holding a particular status) in society. Although today's modern society is changing, leading to social irregularities, it is still stereotypical for men to do the more "robust" work around the house. Image from Google images The picture of the woman cooking reinstates the one of the roles of the woman, the fact that their place is in the kitchen. Women were always thought to be stay-at-home mothers while the men were the ones who brought in the income. Although the ideal men and womens status' still apply today, there are exceptions in every household. Image from Google images School in Cambodia. The children in this picture don't have a lot of money because the school that they're in is situated outdoors, the roof is made of cloth, the supporting structures are made of wood/branches, and their tables are planks of wood. The students' parents probably don't make enough money to send their children to a better school. The problem with income and wealth creates inequality; the students will have less opportunities than those who go to more prestigious schools and will suffer with class standing throughout their lives. Image from Google images The picture of an African American couple is an example of endogamy, the practice of marrying within a social group. While there are interracial marriages these days, there are still many religions and people who are strict about marrying within the same social group. Image from Google images In contrast, this picture of an Asian and White couple is an example of exogamy. Decades ago, interracial dating or marriage was highly frowned upon, but now it's more widely accepted in today's culture. Especially in San Francisco, a city with a lot of diversity, interracial couples can be seen wherever you go. Image from Google images