Cover Picture: A Straightforward Approach to Tetrahydroindolo[3, 2‐b]carbazoles and 1‐Indolyltetrahydrocarbazoles through [3+3] Cyclodimerization of Indole‐Derived Cyclopropanes (Chem. Eur. J. 4/2016). Issue 4 (16th December 2015)