<a href="https://en.wikipedia.org/wiki/ambigram" class="extiw" title="en:ambigram">Ambigram</a> <b><a href="https://en.wikipedia.org/wiki/transformer" class="extiw" title="en:transformer">Transformer</a></b>. 180° rotational symmetry, with letter O shaped as green looping arrow symbol, suggesting a transformation. <a href="https://en.wikipedia.org/wiki/Transformer_(Lou_Reed_album)" class="extiw" title="en:Transformer (Lou Reed album)">Transformer</a> is also the second album of singer <a href="https://en.wikipedia.org/wiki/Lou_Reed" class="extiw" title="en:Lou Reed">Lou Reed</a>.
<a href="//commons.wikimedia.org/wiki/User:Basile_Morin" title="User:Basile Morin">Basile Morin</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>