On Wikivoyage's general 'Respect' travel topic page, find advice on greetings, dining, and photography etiquette. Specifically, identify any cultural nuances or warnings mentioned for Southeast Asian countries or East Asian cultures that apply to Southeast Asia. Summarize the key points for each category.
Navigate to the 'Respect' travel topic page on Wikivoyage. Locate and review the 'Social dining' section for dining etiquette advice, noting any mentions of Southeast Asian or East Asian countries. Locate and review the 'Acknowledging others' and 'Addressing people' sections for greetings advice, noting any mentions of Southeast Asian countries. Locate and review the 'Photography' section for photography etiquette advice. Extract and synthesize the relevant information for greetings, dining, and photography, specifically highlighting any cultural nuances or warnings applicable to Southeast Asia or East Asian cultures as mentioned on the page.
Successfully navigate to the 'Respect' travel topic page. State that for dining, chopsticks etiquette in Vietnam (and neighboring East Asian countries) includes not sticking them upright in rice (associated with funerary rites). State that for dining, in many parts of the world, only the right hand should be used for food if eating by hand. State that for greetings, in Thailand, using first names is the norm even in formal situations. State that the 'Photography' section on this page refers to a separate 'Travel photography' link for detailed advice, and does not provide direct etiquette for Southeast Asia.