"Japan’s metal producers, seeking a new use of their titanium products, are hoping to have found an answer to their prayers, as a lightweight replacement for the clay-tiled roofs of the nation's ubiquitous temples and shrines.“Recently many old temples and shrines are refurbishing their buildings to enhance their seismic resistance"
Source:Metal firms putting modern titanium into roofs of temples, shrines
June 21, 2013
Asahi Shimbun