OSR

OSR

OSR

Competition

Appearance enhancement

fig1abc

 

 

Photo credit: “Infidelity” davemmett / Foter / CC BY-NC-SA
Photo credit: “Amores Curtos” R. Motti / Foter.com / CC BY-NC-SA
Photo credit: “Gossip Girls” Fouquier ॐ / Foter.com / CC BY-NC
Photo credit: “Shop ’til you drop | 007.365” Stephan Geyer / Foter.com / CC BY-NC-ND