Construction cranes and bulldozers operate near the Zig Zag Towers in Doha June 25, 2013. Qatar's real estate developers are struggling even as the country embarks on huge infrastructure building plans - a warning to investors that despite the billions which the Gulf state is throwing around, they won't necessarily profit. A $7.1 billion state financial support package announced last month for Qatar's largest listed developer, Barwa Real Estate and the restructuring of other top developers such as United Development Co and state-owned Qatari Diar, highlight the industry's weakness. Picture taken June 25, 2013. To match story QATAR-PROPERTY/REUTERS/Mohammed Dabbous (QATAR - Tags: BUSINESS CONSTRUCTION REAL ESTATE)