Customs and manners around the world
Cultural etiquette, weird customs and gestures in different countries
http://www.ediplomat.com/np/cultural_etiquette/ce_th.htm
Group 1: Cultural etiquette in Thailand
http://www.ediplomat.com/np/cultural_etiquette/ce_ru.htm
Group 2: Cultural etiquette in Russia
http://www.ediplomat.com/np/cultural_etiquette/ce_jp.htm
Group 4: Cultural etiquette in Japan
http://www.ediplomat.com/np/cultural_etiquette/ce_cn.htm
Group 3: Cultural etiquette in China
https://www.scoopwhoop.com/inothernews/weird-customs/#.kq0t6ckh2
Group 5: 20 Weird Customs From Across The World
https://www.thrillist.com/eat/nation/international-food-customs-8-weird-food-etiquette-trends-from-around-the-world-thrillist-nation
Group 6: 8 weird food customs from around the world
http://www.readersdigest.ca/travel/travel-tips/13-unusual-international-customs-you-never-knew-existed
Group 7: 13 Unusual International Customs You Never Knew Existed
http://www.trendsnhealth.com/15-most-shocking-and-weird-traditions/
Group 8: 15 Most Shocking and Weird Traditions Across the World
http://www.wonderslist.com/10-bizarre-traditions/
Group 9: 10 Bizarre Traditions from Around the World