Here are two temporary exhibitions at Barcelona’s Picasso Museum (Montcada 15-23, 08003 Barcelona, Spain; phone +34 93 256 30 00, www.museupicasso.bcn.cat/en):

• “Cubism and War. The Crystal in the Flame,” Oct. 20, 2016-Jan. 29, 2017, focuses on three artists living in France during WWI — Picasso, Juan Gris and Diego Rivera — with 60 Cubist works from 1914 to 1919.

• “Mythologies, Graphic Work in the Collection of the Museum,...

The online Iceland Academy, created by the Iceland Tourism Department, comprises a series of videos with free “classes” taught by Icelanders. Among multiple topics are lessons on Icelandic festivals, Icelandic hot tub etiquette, how to drive in Iceland and how to photograph the northern lights. Visit http://inspired.visiticeland.com/academy.

Visitors to Abu Dhabi, UAE, can download two free apps for iOS or Android. Abu Dhabi Events lists sports, music, food and cultural festivals in the city and environs. DARB provides bus and ferry schedules, airline arrival and departure times and customizable route maps with real-time traffic updates. Users can also hire a taxi and pay for public parking on DARB, which requires a 3G or Wi-Fi connection with the GPS enabled in order to function fully.