By Andy Silvester The entrepreneur behind Los Mochis City – the Square Mile’s newest hot spot – tells Andy Silvester why here, why now.It has been described as “summer’s hottest rooftop” and “the most anticipated restaurant opening of 2024.” Right now, Los Mochis City is also an all-hands-on-deck workshop, as table legs are sanded to size and automatic doors recalibrated. In the middle of the Square Mile and indeed London’s most talked about new restaurant is Markus Thesleff. We’re talking just after the restaurant’s soft, soft opening, with Thesleff inviting some of the capital’s most vicious…