File photo taken on Aug. 14, 2012 shows the Qilou buildings in Haikou, capital of south China's Hainan Province. Nanyang-style Qilou buildings are balcony-type tenant buildings for both residential and commercial use. The first floor of a Qilou house is used as a shop, and part of the second floor hangs over the first floor and is supported by columns, forming a shelter in front of the shop. People live on the upper floors. Qilou houses line up to form a shopping street, leaving overhangs on both sides of the street to shelter pedestrians. (Xinhua/Guo Cheng)
File photo taken on Feb. 3, 2005 shows people walking on the Qilou ancient street in Haikou, capital of south China's Hainan Province. Nanyang-style Qilou buildings are balcony-type tenant buildings for both residential and commercial use. The first floor of a Qilou house is used as a shop, and part of the second floor hangs over the first floor and is supported by columns, forming a shelter in front of the shop. People live on the upper floors. Qilou houses line up to form a shopping street, leaving overhangs on both sides of the street to shelter pedestrians. (Xinhua/Zhao Yingquan)
File photo taken on Feb. 3, 2005 shows the old Qilou buildings on the Qilou ancient street in Haikou, capital of south China's Hainan Province. Nanyang-style Qilou buildings are balcony-type tenant buildings for both residential and commercial use. The first floor of a Qilou house is used as a shop, and part of the second floor hangs over the first floor and is supported by columns, forming a shelter in front of the shop. People live on the upper floors. Qilou houses line up to form a shopping street, leaving overhangs on both sides of the street to shelter pedestrians. (Xinhua/Zhao Yingquan)
File photo taken on Feb. 3, 2005 shows the Qilou ancient street in Haikou, capital of south China's Hainan Province. Nanyang-style Qilou buildings are balcony-type tenant buildings for both residential and commercial use. The first floor of a Qilou house is used as a shop, and part of the second floor hangs over the first floor and is supported by columns, forming a shelter in front of the shop. People live on the upper floors. Qilou houses line up to form a shopping street, leaving overhangs on both sides of the street to shelter pedestrians. (Xinhua/Zhao Yingquan)
File photo taken on Jan. 8, 1989 shows the Qilou buildings on Boai road in Haikou, capital of south China's Hainan Province. Nanyang-style Qilou buildings are balcony-type tenant buildings for both residential and commercial use. The first floor of a Qilou house is used as a shop, and part of the second floor hangs over the first floor and is supported by columns, forming a shelter in front of the shop. People live on the upper floors. Qilou houses line up to form a shopping street, leaving overhangs on both sides of the street to shelter pedestrians. (Xinhua/Jiang Enyu)
File photo taken on Feb. 3, 2005 shows the Qilou ancient street in Haikou, capital of south China's Hainan Province. Nanyang-style Qilou buildings are balcony-type tenant buildings for both residential and commercial use. The first floor of a Qilou house is used as a shop, and part of the second floor hangs over the first floor and is supported by columns, forming a shelter in front of the shop. People live on the upper floors. Qilou houses line up to form a shopping street, leaving overhangs on both sides of the street to shelter pedestrians. (Xinhua/Zhao Yingquan)
File photo taken on Jan. 8, 1989 shows the Qilou buildings on Boai road in Haikou, capital of south China's Hainan Province. Nanyang-style Qilou buildings are balcony-type tenant buildings for both residential and commercial use. The first floor of a Qilou house is used as a shop, and part of the second floor hangs over the first floor and is supported by columns, forming a shelter in front of the shop. People live on the upper floors. Qilou houses line up to form a shopping street, leaving overhangs on both sides of the street to shelter pedestrians. (Xinhua/Jiang Enyu)
File photo taken on Feb. 3, 2014 shows people walking on Zhongshan road in Haikou, capital of south China's Hainan Province. Nanyang-style Qilou buildings are balcony-type tenant buildings for both residential and commercial use. The first floor of a Qilou house is used as a shop, and part of the second floor hangs over the first floor and is supported by columns, forming a shelter in front of the shop. People live on the upper floors. Qilou houses line up to form a shopping street, leaving overhangs on both sides of the street to shelter pedestrians. (Xinhua/Guo Cheng)
Tourists walk on the Qilou ancient street in Haikou, capital of south China's Hainan Province, Jan. 2, 2017. Nanyang-style Qilou buildings are balcony-type tenant buildings for both residential and commercial use. The first floor of a Qilou house is used as a shop, and part of the second floor hangs over the first floor and is supported by columns, forming a shelter in front of the shop. People live on the upper floors. Qilou houses line up to form a shopping street, leaving overhangs on both sides of the street to shelter pedestrians. (Xinhua/Guo Cheng)
File photo taken on Jan. 21, 2013 shows the Qilou buildings under renovation on Zhongshan Road in Haikou, capital of south China's Hainan Province. Nanyang-style Qilou buildings are balcony-type tenant buildings for both residential and commercial use. The first floor of a Qilou house is used as a shop, and part of the second floor hangs over the first floor and is supported by columns, forming a shelter in front of the shop. People live on the upper floors. Qilou houses line up to form a shopping street, leaving overhangs on both sides of the street to shelter pedestrians. (Xinhua/Guo Cheng)
Tourists walk on the Qilou ancient street in Haikou, capital of south China's Hainan Province, Jan. 2, 2017. Nanyang-style Qilou buildings are balcony-type tenant buildings for both residential and commercial use. The first floor of a Qilou house is used as a shop, and part of the second floor hangs over the first floor and is supported by columns, forming a shelter in front of the shop. People live on the upper floors. Qilou houses line up to form a shopping street, leaving overhangs on both sides of the street to shelter pedestrians. (Xinhua/Guo Cheng)
File photo taken on May 27, 2012 shows a worker renovating the window for a Qilou building in Haikou, capital of south China's Hainan Province. Nanyang-style Qilou buildings are balcony-type tenant buildings for both residential and commercial use. The first floor of a Qilou house is used as a shop, and part of the second floor hangs over the first floor and is supported by columns, forming a shelter in front of the shop. People live on the upper floors. Qilou houses line up to form a shopping street, leaving overhangs on both sides of the street to shelter pedestrians. (Xinhua/Guo Cheng)
File photo taken on June 10, 2016 shows the renovated Qilou ancient street in Haikou, capital of south China's Hainan Province. Nanyang-style Qilou buildings are balcony-type tenant buildings for both residential and commercial use. The first floor of a Qilou house is used as a shop, and part of the second floor hangs over the first floor and is supported by columns, forming a shelter in front of the shop. People live on the upper floors. Qilou houses line up to form a shopping street, leaving overhangs on both sides of the street to shelter pedestrians. (Xinhua/Yang Guanyu)
Tourists walk on the Qilou ancient street in Haikou, capital of south China's Hainan Province, Feb. 12, 2018. Nanyang-style Qilou buildings are balcony-type tenant buildings for both residential and commercial use. The first floor of a Qilou house is used as a shop, and part of the second floor hangs over the first floor and is supported by columns, forming a shelter in front of the shop. People live on the upper floors. Qilou houses line up to form a shopping street, leaving overhangs on both sides of the street to shelter pedestrians. (Xinhua/Yang Guanyu)
Tourists walk on the Qilou ancient street in Haikou, capital of south China's Hainan Province, Feb. 12, 2018. Nanyang-style Qilou buildings are balcony-type tenant buildings for both residential and commercial use. The first floor of a Qilou house is used as a shop, and part of the second floor hangs over the first floor and is supported by columns, forming a shelter in front of the shop. People live on the upper floors. Qilou houses line up to form a shopping street, leaving overhangs on both sides of the street to shelter pedestrians. (Xinhua/Yang Guanyu)
