Picture of the first Dubai Opera house, the UAE August 30, 2016. Picture taken August 30, 2016. REUTERS/Ahmed Jadallah TPX IMAGES OF THE DAY - RTX2NQ1O

General view of the first Dubai Opera house, the UAE August 30, 2016.

Performers take part in a dress rehearsal for the Barber of Seville ahead of the opening of the first Dubai Opera house, the UAE August 30, 2016. Picture taken August 30, 2016. REUTERS/Ahmed Jadallah - RTX2NQ4P

Performers take part in a dress rehearsal for the Barber of Seville ahead of the opening of the first Dubai Opera house, the UAE August 30, 2016. Picture taken August 30, 2016. REUTERS/Ahmed Jadallah - RTX2NQ5E

A performer takes part in a dress rehearsal for the Barber of Seville ahead of the opening of the first Dubai Opera house, the UAE August 30, 2016. Picture taken August 30, 2016. REUTERS/Ahmed Jadallah - RTX2NQ47

Performers take part in a dress rehearsal for the Barber of Seville ahead of the opening of the first Dubai Opera house, the UAE August 30, 2016.

Performers take part in a dress rehearsal for the Barber of Seville ahead of the opening of the first Dubai Opera house, the UAE August 30, 2016. Picture taken August 30, 2016. REUTERS/Ahmed Jadallah - RTX2NQ1W

Performers take part in a dress rehearsal for the Barber of Seville ahead of the opening of the first Dubai Opera house, the UAE August 30, 2016. Picture taken August 30, 2016. REUTERS/Ahmed Jadallah - RTX2NQ2E

Performers take part in a dress rehearsal for the Barber of Seville ahead of the opening of the first Dubai Opera house, the UAE August 30, 2016. Picture taken August 30, 2016. REUTERS/Ahmed Jadallah - RTX2NQ4S

Performers take part in a dress rehearsal for the Barber of Seville ahead of the opening of the first Dubai Opera house, the UAE August 30, 2016. Picture taken August 30, 2016. REUTERS/Ahmed Jadallah - RTX2NQ5P

Performers take part in a dress rehearsal for the Barber of Seville ahead of the opening of the first Dubai Opera house, the UAE August 30, 2016. Picture taken August 30, 2016. REUTERS/Ahmed Jadallah - RTX2NQ55

Performers take part in a dress rehearsal for the Barber of Seville ahead of the opening of the first Dubai Opera house, the UAE August 30, 2016. Picture taken August 30, 2016. REUTERS/Ahmed Jadallah - RTX2NQ4T

The logo of the first Dubai Opera house, the UAE August 30, 2016. Picture taken August 30, 2016. REUTERS/Ahmed Jadallah - RTX2NQ1S

Performers take part in a dress rehearsal for the Barber of Seville ahead of the opening of the first Dubai Opera house, the UAE August 30, 2016. Picture taken August 30, 2016. REUTERS/Ahmed Jadallah

A performer takes part in a dress rehearsal for the Barber of Seville ahead of the opening of the first Dubai Opera house, the UAE August 30, 2016. Picture taken August 30, 2016. REUTERS/Ahmed Jadallah - RTX2NQ46

Performers take part in a dress rehearsal for the Barber of Seville ahead of the opening of the first Dubai Opera house, the UAE August 30, 2016. Picture taken August 30, 2016. REUTERS/Ahmed Jadallah - RTX2NQ1X

People are seen before the start of the dress rehearsal for the Barber of Seville ahead of the opening of the first Dubai Opera house, the UAE August 30, 2016. Picture taken August 30, 2016. REUTERS/Ahmed Jadallah Image used for illustrative purposes

Performers take part in a dress rehearsal for the Barber of Seville ahead of the opening of the first Dubai Opera house, the UAE August 30, 2016. Picture taken August 30, 2016. REUTERS/Ahmed Jadallah - RTX2NQ4Y

Performers take part in a dress rehearsal for the Barber of Seville ahead of the opening of the first Dubai Opera house, the UAE August 30, 2016. Picture taken August 30, 2016. REUTERS/Ahmed Jadallah - RTX2NQ5Q

Performers take part in a dress rehearsal for the Barber of Seville ahead of the opening of the first Dubai Opera house, the UAE August 30, 2016. Picture taken August 30, 2016. REUTERS/Ahmed Jadallah - RTX2NQ58

Picture of the first Dubai Opera house, the UAE August 30, 2016. Picture taken August 30, 2016. REUTERS/Ahmed Jadallah - RTX2NQ1Q

The interior of the first Dubai Opera house the UAE August 30, 2016. Picture taken August 30, 2016. REUTERS/Ahmed Jadallah - RTX2NQ1R

Performers take part in a dress rehearsal for the Barber of Seville ahead of the opening of the first Dubai Opera house, the UAE August 30, 2016. Picture taken August 30, 2016. REUTERS/Ahmed Jadallah - RTX2NQ2Q

Performers take part in a dress rehearsal for the Barber of Seville ahead of the opening of the first Dubai Opera house, the UAE August 30, 2016. Picture taken August 30, 2016. REUTERS/Ahmed Jadallah - RTX2NQ4R

Performers take part in a dress rehearsal for the Barber of Seville ahead of the opening of the first Dubai Opera house, the UAE August 30, 2016. Picture taken August 30, 2016. REUTERS/Ahmed Jadallah - RTX2NQ5I

Performers take part in a dress rehearsal for the Barber of Seville ahead of the opening of the first Dubai Opera house, the UAE August 30, 2016. Picture taken August 30, 2016. REUTERS/Ahmed Jadallah - RTX2NQ53

Performers take part in a dress rehearsal for the Barber of Seville ahead of the opening of the first Dubai Opera house, the UAE August 30, 2016. Picture taken August 30, 2016. REUTERS/Ahmed Jadallah - RTX2NQ2D

Performers take part in a dress rehearsal for the Barber of Seville ahead of the opening of the first Dubai Opera house, the UAE August 30, 2016. Picture taken August 30, 2016. REUTERS/Ahmed Jadallah - RTX2NQ4Q

Performers take part in a dress rehearsal for the Barber of Seville ahead of the opening of the first Dubai Opera house, the UAE August 30, 2016. Picture taken August 30, 2016. REUTERS/Ahmed Jadallah - RTX2NQ5F

A performer takes part in a dress rehearsal for the Barber of Seville ahead of the opening of the first Dubai Opera house, the UAE August 30, 2016. Picture taken August 30, 2016. REUTERS/Ahmed Jadallah - RTX2NQ48