This week theme.
The Louvre, Paris
Flower Dome, Gardens by the Bay
Charles De Gaulle Airport, Paris
Art Science Museum, Singapore
Patterns and lines are important elements in photography composition that creates a desired effect to the photograph. Lines are powerful tools to lead the viewers eyes towards the point of interest in a photograph while emphasising the patterns can accentuate a sense of size and expansion.
Lonely Travelog 
Wonderful choices for the theme!
Great interpretation of the theme and stunning images of Paris!