 Complete the following phrase:  Tamgho started 2011 in similarly strong form as he improved his world indoor record by a centimetre to win the French National Indoor Championships senior triple jump title for the third time with a jump of 17.91m. He improved his world indoor record one centimetre further at the 2011 European Indoor Championships, clearing 17.92 m in the triple jump final on both the second and fourth jumps, to take the gold medal with a new world indoor record in front of the home crowd at the Palais Omnisports de Paris-Bercy in Paris. The day before the triple jump final, Tamgho had narrowly failed to win the bronze medal in the long jump event of the 