This photography work named "Untitled I" uses a low-angle upward shooting perspective, capturing the moment when fluffy cumulus clouds in the clear sky are penetrated by dazzling sunlight. Strong Tyndall light beams diffuse out from cloud gaps, and a soft rainbow halo appears at the lens edge. The four-engine vintage propeller plane in the lower right corner flies past the bright area in clear silhouette. The warm retro film tone adds nostalgic filter to the whole scene, conveying free and relaxing atmosphere, evoking romantic imagination of old-era air travel and cloud roaming.