The park-that-used-to-be-the-old-shunting-yard-on-the-banks-of-the-Rhine-in-Bingen-until-it-hosted-the-State-Horticultural-Show-in-2010 is always worth a visit. (Even if those bloody pensioners shout at you for cycling in an utterly deserted park…) For the past 2 years, they’ve featured a…