Retroflection Viewed 890 times

Retroflector Viewed 891 times

Retroflexion (1) Viewed 892 times

Retroflexion (2) Viewed 897 times

Retroflexion (3) Viewed 892 times

Retrogradation (1) Viewed 891 times

Retrogradation (2) Viewed 890 times

Retrogression Viewed 891 times

Retrogression (1) Viewed 897 times

Retrogression (2) Viewed 890 times