Khao SOI is a local northern Thai. With noodles in soup that put Curry spice flavor. This dish is often not available in Thai restaurants overseas. The only common northern Thai only.
Sushi is a native of northern Thailand has put the noodles in soup spices spicy dish is often not available in restaurants Thailand abroad. Often found only in the northern part of Thailand only.
Khao SOI is a native of northern Thailand, noodles in soup, put spices spicy dish are rarely available in Thai restaurant in foreign countries. Will often found only in northern Thailand.