Macro of a wick through the side of a glass tiki torch.

Hand held, ambient light – overcast, within 30  minutes of sunset.

Other info:

Exposure: f/5.6 1/90s, ISO 1600
Exposure Mode: Auto
Focal Length: 60.0 mm
Lens: EF-S60mm f/2.8 Macro USM
Flash: Did not fire, compulsory mode
Metering Mode: Evaluative
Subject Distance: 0.2m
Custom Rendered: Normal process
White Balance: Auto
Scene Capture Type: Standard
Model: Canon EOS40D
Camera Raw
White Balance: As shot
Temperature: 5000 K
Tint: +2
Exposure: +1.5
Blacks: 1
Brightness: +35
Contrast: +100