Chinese guardian lions However, Chinese reference to the guardian lions are seldom prefixed with 佛 or 福, and more importantly never referred to as "dogs". Reference to guardian lions as dogs in Western cultures may be due to the Japanese reference to them as "Korean dogs" (狛犬・高麗犬) due to their transmission from China through Korea into Japan. It may also be due to the misidentification of the guardian lion figures as representing certain Chinese dog breeds such as the Chow Chow (鬆獅犬, Pinyin: sōngshī quǎn, lit. "puffy-lion dog") or Pekingese (獅子狗; Pinyin: Shīzi Gǒu, lit. "lion dog"). The lions are traditionally carved from
A Town Called Mercy called the Gunslinger. However, the Gunslinger is a product of experiments by Jex to win a civil war on his planet, and the Doctor is unsure of what is the right thing to do. Showrunner Steven Moffat pitched the Wild West theme to Whithouse when thinking of ways to give each episode a distinct theme. Whithouse further developed the theme, including classic Western tropes and a sympathetic villain. "A Town Called Mercy" and the previous episode "Dinosaurs on a Spaceship" were the first to enter production for the seventh series. Much of the episode was filmed in March 2012 in