Fig. 5: Comparison of the monthly average temperature, relative humidity and monthly accumulated rainfall between Cave 71 and the outdoor environment, along with the total number of visitors to the Mogao Caves from 2019 to 2021.
From: Impact of open visits on the indoor climate of Mogao Caves

a Monitoring data inside and outside the cave on 2019, b Monitoring data inside and outside the cave on 2020, c Monitoring data inside and outside the cave on 2021.