skyscraper

South Korean workers are seen from a crane as they work on the 123rd floor during the framing completion ceremony of the 'Lotte World Tower' in Seoul, South Kora, on Tuesday. The building's exterior was completed in a final height of 550 meters, and 123 floors

Jeon Heon-Kyun/EPA

South Korean workers are seen from a crane as they work on the 123rd floor during the framing completion ceremony of the ‘Lotte World Tower’ in Seoul, South Kora, on Tuesday. The building’s exterior was completed in a final height of 550 meters, and 123 floors

The 105-storey Ryugyong Hotel, the highest building under construction in North Korea, is seen behind residential buildings in Pyongyang, North Korea, early October 9, 2015. North Korea is getting ready to celebrate the 70th anniversary of the founding of its ruling Workers' Party of Korea on October 10.

Damir Sagolj/Reuters

The 105-storey Ryugyong Hotel, the highest building under construction in North Korea, is seen behind residential buildings in Pyongyang, North Korea, early Friday. North Korea is getting ready to celebrate the 70th anniversary of the founding of its ruling Workers’ Party of Korea on Saturday

Guests of the Marina Bay Sands

Roslan Rahman/AFP

Guests of the Marina Bay Sands hotel in Singapore look over the city-state’s financial district from a rooftop swimming pool.