World-building inspiration for Savi and Nar… National Geographic Photo Contest 2018. A cenote is a sacred sinkhole in the Yucatán Peninsula. The Chixulub crater. The ‘stone forests’ of the South China Karst (link). Lake Hutt is a pink lake in Western Australia. Southern Min dialects. Written classical Chinese, and how it differs as a lingua franca viz. Latin in Europe. Grimm’s law and pronunciation shifts in the Indo-European languages. Stepwells in western India for accessing groundwater in drought.