Fried foods (Source: people.com.cn)

Betel Nut (Source: people.com.cn)

Unboiled water (Source: people.com.cn)

Overnight cooked cabbage (Source: people.com.cn)

Moldy food (Source: people.com.cn)

Baked food (Source: people.com.cn)

Salted fish (Source: people.com.cn)

Smoked food (Source: people.com.cn)