Watercolor travel poster illustration of (City Name) busy tropical street scene in the Hotel Zone, sunny Caribbean atmosphere, tourists walking through colorful market street, palm trees lining the road, straw roof shops, vibrant hand painted signboards, “Señor Frog’s”, “Coco Bongo”, Mexican souvenir stores, beachwear shops, restaurants and tequila signs, soft watercolor texture, ink sketch outlines, warm pastel palette, blue sky with fluffy clouds, lively vacation mood, highly detailed urban travel art, loose brush strokes, textured paper background, cinematic composition, travel postcard aesthetic, realistic crowd perspective, summer holiday vibe, handcrafted watercolor illustration style, ultra detailed, airy lighting, artistic tourism poster design.