An <a href="https://en.wikipedia.org/wiki/Airbus_A340" class="extiw" title="en:Airbus A340">Airbus 340-600</a>  photographed above Toulouse during a test flight in 2007.  The aircraft is seen in clean-wing configuration (with <a href="https://en.wikipedia.org/wiki/High-lift_device" class="extiw" title="en:High-lift device">flaps and slats</a> fully retracted).
<a href="//commons.wikimedia.org/wiki/User:Ariadacapo" title="User:Ariadacapo">Olivier Cleynen</a>
CC BY-SA 3.0
<span class="int-own-work" lang="en">Own work</span>