look through the binoculars of the timescope terminaljust installed near the pont d'arcole bridge andsee an immersive 360—degree digital representation of life in the middle ages. it's the latest landmark to use vr technology to attract visitors, with other timescope terminals at charles de gaulle airport and the bastille. a solar—powered catamaran has just embarked on an incredible round the world voyage. with plastic pollution in the world's oceans at unprecedented levels, the race for water foundation hopes the voyage will help promote new, innovative ways of tackling the problem. it's expected to last five years, stopping off at the tokyo 0lympics and dubai's 2020 universal exposition. and a social media campaign helped spark an unlikely reunion. marathon runner dion leonard encountered a stray dog on a six—day race across the gobi desert, but after sticking together for the entire journey he lost track of his companion. she actually went missing in urumqi, which is a city of 3 million people in north—west china. they have their own social media platforms, weibo and wechat, so we