Artists conception of High Density Vertiplex (HDV) operations in an urban environment. - 晨昏线航天

Artists conception of High Density Vertiplex (HDV) operations in an urban environment. — Artists conception of High Density Vertiplex (HDV) operations in an urban environment. 图：NASA · NASA Image and Media Guidelines

署名图：NASA

许可证NASA Image and Media Guidelines

原始出处nasa.gov

尺寸1000 × 664 · WEBP

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