Barcelona, Spain. 24th Sep, 2016. September 24, 2016 - Barcelona, Catalonia, Spain - The crowd watching at human towers during the Jornada Castellera (Human Towers Day) held in Barcelona for La Merce Festival (Festes de la Merce). Credit:  Jordi Boixareu/Alamy Live News
RMH25758Barcelona, Spain. 24th Sep, 2016. September 24, 2016 - Barcelona, Catalonia, Spain - The crowd watching at human towers during the Jornada Castellera (Human Towers Day) held in Barcelona for La Merce Festival (Festes de la Merce). Credit: Jordi Boixareu/Alamy Live News
Barcelona, Catalonia, Spain. 24th Sep, 2016. The crowd watching at human towers during the Jornada Castellera (Human Towers Day) held in Barcelona for La Merce Festival Credit:  Jordi Boixareu/ZUMA Wire/Alamy Live News
RMH2574WBarcelona, Catalonia, Spain. 24th Sep, 2016. The crowd watching at human towers during the Jornada Castellera (Human Towers Day) held in Barcelona for La Merce Festival Credit: Jordi Boixareu/ZUMA Wire/Alamy Live News
Barcelona, Catalonia, Spain. 24th Sep, 2016. The crowd watching at human towers during the Jornada Castellera (Human Towers Day) held in Barcelona for La Merce Festival Credit:  Jordi Boixareu/ZUMA Wire/Alamy Live News
RMH2573YBarcelona, Catalonia, Spain. 24th Sep, 2016. The crowd watching at human towers during the Jornada Castellera (Human Towers Day) held in Barcelona for La Merce Festival Credit: Jordi Boixareu/ZUMA Wire/Alamy Live News
Barcelona, Spain. 24th Sep, 2016. September 24, 2016 - Barcelona, Catalonia, Spain - Castellers wait to build a human tower during the Jornada Castellera (Human Towers Day) held in Barcelona for La Merce Festival (Festes de la Merce). Credit:  Jordi Boixareu/Alamy Live News
RMH2574ABarcelona, Spain. 24th Sep, 2016. September 24, 2016 - Barcelona, Catalonia, Spain - Castellers wait to build a human tower during the Jornada Castellera (Human Towers Day) held in Barcelona for La Merce Festival (Festes de la Merce). Credit: Jordi Boixareu/Alamy Live News
Barcelona, Catalonia, Spain. 24th Sep, 2016. Castellers get ready to build a human tower during the Jornada Castellera or 'Human Towers Day' during La Merce Festival. Credit:  Jordi Boixareu/ZUMA Wire/Alamy Live News
RMH258BTBarcelona, Catalonia, Spain. 24th Sep, 2016. Castellers get ready to build a human tower during the Jornada Castellera or 'Human Towers Day' during La Merce Festival. Credit: Jordi Boixareu/ZUMA Wire/Alamy Live News
Barcelona, Spain. 24th Sep, 2016. September 24, 2016 - Barcelona, Catalonia, Spain - Castellers get ready to build a human tower during the Jornada Castellera (Human Towers Day) held in Barcelona for La Merce Festival (Festes de la Merce). Credit:  Jordi Boixareu/Alamy Live News
RMH2575BBarcelona, Spain. 24th Sep, 2016. September 24, 2016 - Barcelona, Catalonia, Spain - Castellers get ready to build a human tower during the Jornada Castellera (Human Towers Day) held in Barcelona for La Merce Festival (Festes de la Merce). Credit: Jordi Boixareu/Alamy Live News
Barcelona, Catalonia, Spain. 24th Sep, 2016. Castellers get ready to build a human tower during the Jornada Castellera (Human Towers Day) held in Barcelona for La Merce Festival Credit:  Jordi Boixareu/ZUMA Wire/Alamy Live News
RMH2575JBarcelona, Catalonia, Spain. 24th Sep, 2016. Castellers get ready to build a human tower during the Jornada Castellera (Human Towers Day) held in Barcelona for La Merce Festival Credit: Jordi Boixareu/ZUMA Wire/Alamy Live News
Barcelona, Spain. 24th Sep, 2016. September 24, 2016 - Barcelona, Catalonia, Spain - Castellers get ready to build a human tower during the Jornada Castellera (Human Towers Day) held in Barcelona for La Merce Festival (Festes de la Merce). Credit:  Jordi Boixareu/Alamy Live News
RMH2574DBarcelona, Spain. 24th Sep, 2016. September 24, 2016 - Barcelona, Catalonia, Spain - Castellers get ready to build a human tower during the Jornada Castellera (Human Towers Day) held in Barcelona for La Merce Festival (Festes de la Merce). Credit: Jordi Boixareu/Alamy Live News
Barcelona, Catalonia, Spain. 24th Sep, 2016. Castellers get ready to build a human tower during the Jornada Castellera (Human Towers Day) held in Barcelona for La Merce Festival Credit:  Jordi Boixareu/ZUMA Wire/Alamy Live News
RMH2573KBarcelona, Catalonia, Spain. 24th Sep, 2016. Castellers get ready to build a human tower during the Jornada Castellera (Human Towers Day) held in Barcelona for La Merce Festival Credit: Jordi Boixareu/ZUMA Wire/Alamy Live News
Barcelona, Spain. 24th Sep, 2016. September 24, 2016 - Barcelona, Catalonia, Spain - Castellers get ready to build a human tower during the Jornada Castellera (Human Towers Day) held in Barcelona for La Merce Festival (Festes de la Merce). Credit:  Jordi Boixareu/Alamy Live News
RMH2575ABarcelona, Spain. 24th Sep, 2016. September 24, 2016 - Barcelona, Catalonia, Spain - Castellers get ready to build a human tower during the Jornada Castellera (Human Towers Day) held in Barcelona for La Merce Festival (Festes de la Merce). Credit: Jordi Boixareu/Alamy Live News
Barcelona, Catalonia, Spain. 24th Sep, 2016. Castellers get ready to build a human tower during the Jornada Castellera (Human Towers Day) held in Barcelona for La Merce Festival Credit:  Jordi Boixareu/ZUMA Wire/Alamy Live News
RMH2573RBarcelona, Catalonia, Spain. 24th Sep, 2016. Castellers get ready to build a human tower during the Jornada Castellera (Human Towers Day) held in Barcelona for La Merce Festival Credit: Jordi Boixareu/ZUMA Wire/Alamy Live News
Barcelona, Spain. 24th Sep, 2016. September 24, 2016 - Barcelona, Catalonia, Spain - Castellers get ready to build a human tower during the Jornada Castellera (Human Towers Day) held in Barcelona for La Merce Festival (Festes de la Merce). Credit:  Jordi Boixareu/Alamy Live News
RMH2574RBarcelona, Spain. 24th Sep, 2016. September 24, 2016 - Barcelona, Catalonia, Spain - Castellers get ready to build a human tower during the Jornada Castellera (Human Towers Day) held in Barcelona for La Merce Festival (Festes de la Merce). Credit: Jordi Boixareu/Alamy Live News