Sign in a toilet in Istanbul airport. Sometimes a translation needs a translation.
I think the sign is saying that people shouldn't wash their feet in the basin, but should use a mosque instead.
Balloons over Göreme, Cappadocia, at sunrise
Balloon over Göreme
Pigeon Valley, near Göreme
Pigeon Valley, near Göreme
'Fairy Chimney', near Göreme
Balloons over Göreme
Uçhisar, Cappadocia
'Fairy Chimney', near Uçhisar
Wildflower, Cappadocia
Dried fruits and nuts on display, Uçhisar
Sun shining through the Turkish flag, atop Uçhisar castle
Erciyes Mountain, 3916m (12,848'), viewed from Uçhisar castle
Göreme, seen from Uçhisar castle
Carpets for sale in Göreme