translation.en: As we crawled forward, military-style, with the ceiling getting ever lower, we finally got to a point where the ceiling was so low that my husband and project photographer, Dylan, could no longer achieve focus on the ceiling with his DSLR camera.
translation.zh: 我们在洞中匍匐前进， 洞顶越压越低， 到最后，洞顶太低了， 我的丈夫兼摄影师戴伦 甚至无法用单反相机聚焦洞顶。