Mark Taylor / Sulphur mine at Kawah Ijen, Java, Indonesia.

Jussi Murtosaari / Swallowtail (Papilio machaon) in flight towards Sticky catchfly (Silene viscaria) Parikkala, Etela-Karjala / South Karelia, Etela-Suomi / South Finland, Finland. June

Philippe Clement / Sticky catchfly / clammy campion (Lychnis viscaria / Silene viscaria) in flower. May