A 100m tall cliff-face of blue mirrored glass, stretching 500m along a triumphal plaza, the New Century Global Centre houses an entire seaside resort, along with a 14-screen Imax cinema, Olympic-sized ice rink, two five-star hotels and its own Mediterranean shopping village – all wrapped with a vast ribbon of offices. Sprawling for 1.7m square metres, it could fit 20 Sydney Opera Houses beneath its glass roof. — guardian.co.uk

Big Air Package is the latest project from artist Christo installed at the Gasometer Oberhausen in Germany, a facility that still holds the record as the largest disc-type gas holder in Europe that was converted into an exhibition hall in the 1990s. Big Air Package is the largest ever inflated envelope without aid of a skeleton (Gasometer Oberhausen bills it as the largest indoor sculpture in history) and reaches 90 meters high, with a diameter of 50 meters and a volume of 177,000 cubic meters. — thisiscolossal.com

In a bid to bolster tourism in Moscow, plans are underway to build what could become the tallest observation wheel in the world. The graphic below breaks down the proposed wheel, possible locations and compares it to other giant observation wheels in the world. — blog.thomsonreuters.com