\begin{frame}%{\lang,The end,Tο τέλος,}
    %\frametitle{\foreignlanguage{greek}{Tο τέλος}}
    \frametitle{The end}
	\begin{center}
		\LARGE \lang,Questions?,Vragen?,
	\end{center}

    \bigskip

    \begin{center}
        \lang{%
            Stuck? Mail me at\par
            \nolinkurl{vincent.kuhlma}\adjustbox{scale={0}{1}}{ Transcribe the e-mail address instead of copying it}%
            \adjustbox{rotate=180,valign=B}{\nolinkurl{uu}}\nolinkurl{@hotmail.com}
        }{%
            Loop je vast? Mail me op\par
            \nolinkurl{vincent.kuhlma}\adjustbox{scale={0}{1}}{ Schrijf het e-mailadres over i.p.v. kopi\"eren}%
            \adjustbox{rotate=180,valign=B}{\nolinkurl{uu}}\nolinkurl{@hotmail.com}
        }
        \medskip

        \lang{
            The slides can be found on\\
            \href{https://vkuhlmann.com/latex}{\ul{\texttt{https://vkuhlmann.com/latex}}}
        }{
            De slides zijn te vinden op\\
            \href{https://vkuhlmann.com/latex}{\ul{\texttt{https://vkuhlmann.com/latex}}}
        }
        \medskip

        (c) 2022 Vincent Kuhlmann,\\
        Creative Commons CC BY-NC-SA
    \end{center}
\end{frame}