Some experiments with Photoshop, content from four separate photographs.
NIKON CORPORATION, NIKON D750, 400.0 mm, 5.6, 1.6, 200
Airports & Airplanes
Architecture
Artwork
Bridges
Flowers
Landscape
People and portraits
Railways & Railroads
Roads-Road Vehicles
Sacred Places
Ships & Boats
Sun & Moon
Trees & Forest
View from Above
Winter Time
World Towns & Cities