This kind of lily opens in the mid summer at cool places.
People in my city established a society to preserve the Koyama castle ruin few years ago. They cut undergrowth and plant lilies every year.
Members of the society have planted a lily on mounds one by one. Some of them are senior citizens. It would be not easy for them to keep their balance and do this work on a slope.
We admire the beauty of nature. On the other hand, it would be important to realize that the natural environment near to our residence has been kept by human efforts every year.
I dropped at an old farmer's house.
The wooden house did not use nails or metal parts to fix pillars and beams.
"Raise High the Roof Beam, Carpenters!"
Old style Japanese houses are quite comfortable to stay on intense heat days in summer.
This house is now used as a public hall.