In Norway, stave churches were gradually replaced; many survived until the 19th century when a substantial number were destroyed. Today, 28 historical stave churches remain standing in Norway. Stave churches were particularly common in less populated areas in high valleys and forest land, and fishermen's villages on islands and in minor villages along fjords. Around 1800 in Norway 322 stave churches were still known and most of these were in sparsely populated areas of Norway. If the main church was masonry the annex church could be a stave church. Masonry churches were mostly built in towns, along the coast, and in rich agricultural areas in Trøndelag and East Norway, as well as in the larger parishes in fjord districts in Western Norway. During 1400s and 1500s no new churches were built in Norway. Norway's stave churches largely disappeared until 1700 and were replaced by log buildings. Several stave churches were redesigned or enlarged in a different technique during 1600–1700, for instance Flesberg Stave Church was converted into a cruciform church partly in log construction. According to Dietrichson, most stave churches were dismantled to make room for a new church, partly because the old church had become too small for the congregation, partly because the stave church was in poor condition. Fire, storm, avalanche and decay were other reasons. In 1650 there were about 270 stave churches left in Norway, and in the next hundred years 136 of these disappeared. Around 1800 there were still 95 stave churches, while over 200 former stave churches were still known by name or in written sources. From 1850 to 1885 32 stave churches fell, since then only the Fantoft Stave Church has been lost.