A band performs a concert in the sea tunnel at Haichang Polar Ocean World in Tianjin, north China, Sept. 17, 2013. A concert under the sea was staged in the park to entertain tourists for the coming Mid-Autumn Festival. (Xinhua/Zhou Wei)
A band performs a concert in the sea tunnel at Haichang Polar Ocean World in Tianjin, north China, Sept. 17, 2013. A concert under the sea was staged in the park to entertain tourists for the coming Mid-Autumn Festival. (Xinhua/Zhou Wei)
A band performs a concert in the sea tunnel at Haichang Polar Ocean World in Tianjin, north China, Sept. 17, 2013. A concert under the sea was staged in the park to entertain tourists for the coming Mid-Autumn Festival. (Xinhua/Zhou Wei)
A band performs a concert in the sea tunnel at Haichang Polar Ocean World in Tianjin, north China, Sept. 17, 2013. A concert under the sea was staged in the park to entertain tourists for the coming Mid-Autumn Festival. (Xinhua/Zhou Wei)
