London is among the world's most visited cities, with countless attractions and a history stretching back two millennia. Visitors will discover historic iconic structures like Westminster Abbey, Big Ben, and Tower Bridge, as well as recent marvels such as London Eye, a giant observation wheel that offers breathtaking views of the whole city.

Must-sees in Seville include the landmark palace Royal Alcázar of Seville, the Gothic, bell-towered Catedral de Sevilla, and Plaza de España, an architectural marvel with Moorish, Baroque and Renaissance influences. Meanwhile, Museo del Baile Flamenco is the place to learn about flamenco dancing culture.

Vientiane, the serene capital of Laos, offers a charming blend of historical significance and cultural richness. Nestled along the Mekong River, this laid-back city is renowned for its picturesque temples and colonial architecture. The That Luang stupa, Vientiane’s most revered landmark, is an impressive golden monument that stands as a symbol of Lao sovereignty and Buddhism.

The city of Oporto is situated on the right bank of the River Douro, being the second largest city of the country. Oporto is the regional capital of the northern area.

Angola, formerly Portuguese West Africa, officially Republic of Angola, independent state in southwestern Africa. Angola is bounded on the north and east by the Republic of Zaire, on the east by Zambia, on the south by Namibia, and on the west by the Atlantic Ocean.