User contributions
- 06:55, 22 March 2020 (diff | hist) . . (-121) . . 1138: Heatmap (→Explanation: -promotion)
- 13:59, 26 May 2019 (diff | hist) . . (+576) . . 2153: Effects of High Altitude
- 04:14, 11 August 2017 (diff | hist) . . (-335) . . Blog