© THETA Ingenieurbüro GmbH 2015 Entry of Kurt Biedenkopf in THETA's visitors Book BDI President Hans-Olaf Henkel signing THETA's visitors book Federal President Roman Herzog signing THETA's visitors book Entry of Federal President Roman Herzog in THETA's visitors book Entry of BDI President Hans-Olaf Henkel in THETA's visitors book Meeting GM of Cigré Expo Paris Abuja, Nigeria, 2003 Abuja, Nigeria, 2003 Lagos, Nigeria, 2004 Lagos, Nigeria, 2004 Lagos, Nigeria, 2004 Lagos, Nigeria, 2004 Lagos, Nigeria, 2004 Click on an image to enlarge it.