Hospitality is very important in Fergana Valley. This means that refusing tea or food can offend your local hosts. Remove shoes when entering homes and sitting on tapchans (traditional tables or raised platforms). Greet elders first and show respect. Use your right hand for eating and giving/receiving items.
You’ll find that most people are happy to be in your photos, but always ask permission before photographing people. Learn basic Uzbek words and greetings as this will very much appreciated everywhere you go.