Balkan Beat Box band performs on Earth Hour event in tel Aviv on April 23, 2009. The Tel Aviv municipality urged residents and business owners to turn off their electricity from 8-9 P.M. on Thursday evening, as part of a worldwide off-the-grid campaign against global warming and energy waste. An unplugged concert was held in Rabin Square. All energy supplied to the stage and minimal lighting required for safety came from renewed and alternative energy sources. A cycling site that produces energy from cyclists riding on the spot produced the energy for the concert... *** Local Caption *** ùòú ëãåø äàøõ..àéëåú äñáéáä..äúçîîåú âìåáàìéú..áì÷ï áéè áå÷ñ..úåîø éåñó..îåñé÷ä..ìä÷ä..äåôòä..÷åðöøè