Artists and history buffs are invited to gather above Lawrence this weekend to record a landscape at a point of change. Lawrence Creative Arts, in partnership with Junction Tuapeka, will host the Blue Spur Artist Response Day tomorrow,  inviting creatives near and far to spend an afternoon observing and interpreting the historic site. The initiative follows the recent sale of key properties in the area, prompting reflection on what may lie ahead for the former gold mining settlement. Lawrence Creative Arts manager Rachel Taylor said the community had recognised a shift. ‘‘The remaining Blue Spur land is up for sale or has been sold. ‘‘So the community kind of realised that it was at the end of an era, it could change quite dramatically up there,’’ she said. Blue Spur was once a busy village at the heart of the Otago gold rush, with homes, a school and services for a population of about 400.…