He also thought about the birches in the depths of the valley where, according to him, at a depth of several meters beneath the surface some moisture was hidden.
Dia juga memikirkan tentang pohon birch di kedalaman lembah di mana, menurutnya, pada kedalaman beberapa meter di bawah permukaan beberapa kelembaban tersembunyi.
As for the air, there is always some moisture in the atmosphere, but when the amount increases a great deal, it affects the light waves.
Sedangkan untuk udara, selalu ada sedikit kelembapan di atmosfer, namun bila jumlahnya meningkat pesat, hal itu akan mempengaruhi gelombang cahaya.