 Complete the following phrase:  David Bowie supported his eighth studio album Diamond Dogs on the Diamond Dogs Tour, whose first leg lasted from 14 June to 20 July 1974. Co-designed and constructed by Chris Langhart, it featured elaborate set-pieces and cost 250,000. Fritz Langs Metropolis 1927 and Robert Wienes The Cabinet of Dr. Caligari 1920 influenced the tours design, primarily due to Bowies interest in 