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BERLIN, GERMANY - SEPTEMBER 10: Buildings along the river Spree in downtown Berlin are illuminated to celebrate the 20th jubilee of eBay on September 10, 2015 in Berlin, Germany. Swiss born light artist Gerry Hofstetter (not pictured) illuminated several buildings along the river Spree from the Berlin main train station to the East Side Gallery during the evening. (Photo by Alexander Koerner/Getty Images for eBay)

BERLIN, GERMANY - SEPTEMBER 10:  Buildings along the river Spree in downtown Berlin are illuminated to celebrate the 20th jubilee of eBay on September 10, 2015 in Berlin, Germany. Swiss born light artist Gerry Hofstetter (not pictured) illuminated several buildings along the river Spree from the Berlin main train station to the East Side Gallery during the evening.  (Photo by Alexander Koerner/Getty Images for eBay)