Vector graphics, a blue plane flying in a blue skyVector graphics, a blue plane flying in a blue sky
The greenish water of the river flows around a round fragment of the canyonThe greenish water of the river flows around a round fragment of the canyon
A journey with an unusual landscape in the open airA journey with an unusual landscape in the open air
Наука о строении, составе и истории земной коры, о методах изыскания полезных ископаемых.