We’re sitting in the balmy breeze beneath the swaying palm trees on Sunday evening when we first hear news of the eruption, some seven days after the event. It seems that Turrialba, one of Costa Rica’s more active volcanoes, experienced its most violent eruption since 2011 last Monday and deposited significant amounts of volcanic ash over areas which we have travelled through since then – yet we only learn of it now! Not sure how we missed that. Choosing our location for this last full week of our Costa Rica tour hasn’t been completely straightforward; the northern Pacific coast has a fairly high number of over developed resorts, which we…