Answer: i'm not sure about the artist and painting names (just reverse image search it by going to images.google.com) but yes, the artist has used space effectively, by filling the artwork with details and color to highlight the people in the middle.
Explanation:
Answer:
The artist used his space effectively because every part of his painting is something important to the picture, like the waves in the background, the clouds, etc. In other words, there's no spot in this painting that doesn't mean anything/have a purpose.
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