Appear to be leaking coolant slowly from here. What should I be looking(02)

Appear to be leaking coolant slowly from here. What should I be looking(02)

Video Screenshot Gallery: 1.8 T Coolant Leak

How To Diagnose A Coolant Leak
Coolant leak after replacing water outlet : MechanicAdvice
Appear to be leaking coolant slowly from here. What should I be looking