2.1 Revision history, the evolution and development of old buildings, Chiangkhan.
2.2 The exploration and evaluation of old buildings from 20-100 years ago in the old town using field
survey by using 3 types; there are 1) poll 2) digital camera, and 3) a basic map.
The building evaluation form 1) general information about the building, 2) a specific characteristics of
building, and 3) the status of conservation.
2.3 Poll the residents or occupiers. It is the opinion of the value to the conservation of buildings.
Number of respondents was 60 old buildings and 60 participants along Maekhong River.
2.4 Concepts and theories and related research 1) the concept and principles of conservation and
development of old town, 2) the importance of the conservation area and historic district sustainability 3)
concept to promote old town tourism 4) the principles of tourism sustainability, and 5) the idea of
participation of the people.